Home / 70,130,989.87-96,780,897.36-39,191,159.14

Finding the Fourth Proportional to 70,130,989.87, 96,780,897.36 and 39,191,159.14

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Solution

The fourth proportional to 70,130,989.87, 96,780,897.36 and 39,191,159.14 is: 54,083,873.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,130,989.87 : 96,780,897.36 = 39,191,159.14 : x
  2. Step 2: Convert to fraction form
    70,130,989.87/96,780,897.36 = 39,191,159.14/x
  3. Step 3: Cross multiply
    70,130,989.87x = 96,780,897.36 × 39,191,159.14
  4. Step 4: Simplify right side
    70,130,989.87x = 3,792,955,549,905,814
  5. Step 5: Solve for x
    x = 3,792,955,549,905,814/70,130,989.87
  6. Step 6: Final answer
    x = 54,083,873.01

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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.