Home / 71,300,413,094.52-98,396,929,778.09-39,186,913,527.71

Finding the Fourth Proportional to 71,300,413,094.52, 98,396,929,778.09 and 39,186,913,527.71

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Solution

The fourth proportional to 71,300,413,094.52, 98,396,929,778.09 and 39,186,913,527.71 is: 54,079,237,570.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,300,413,094.52 : 98,396,929,778.09 = 39,186,913,527.71 : x
  2. Step 2: Convert to fraction form
    71,300,413,094.52/98,396,929,778.09 = 39,186,913,527.71/x
  3. Step 3: Cross multiply
    71,300,413,094.52x = 98,396,929,778.09 × 39,186,913,527.71
  4. Step 4: Simplify right side
    71,300,413,094.52x = 3,855,871,978,605,478,674,432
  5. Step 5: Solve for x
    x = 3,855,871,978,605,478,674,432/71,300,413,094.52
  6. Step 6: Final answer
    x = 54,079,237,570.39

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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.