Home / 71,300,413,094.03-98,396,929,777.40-39,186,913,527.21

Finding the Fourth Proportional to 71,300,413,094.03, 98,396,929,777.40 and 39,186,913,527.21

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Solution

The fourth proportional to 71,300,413,094.03, 98,396,929,777.40 and 39,186,913,527.21 is: 54,079,237,569.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,300,413,094.03 : 98,396,929,777.40 = 39,186,913,527.21 : x
  2. Step 2: Convert to fraction form
    71,300,413,094.03/98,396,929,777.40 = 39,186,913,527.21/x
  3. Step 3: Cross multiply
    71,300,413,094.03x = 98,396,929,777.40 × 39,186,913,527.21
  4. Step 4: Simplify right side
    71,300,413,094.03x = 3,855,871,978,529,928,249,344
  5. Step 5: Solve for x
    x = 3,855,871,978,529,928,249,344/71,300,413,094.03
  6. Step 6: Final answer
    x = 54,079,237,569.70

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.