Home / 96,754,991.90-145,038,009.45-86,551,324.70

Finding the Fourth Proportional to 96,754,991.90, 145,038,009.45 and 86,551,324.70

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Solution

The fourth proportional to 96,754,991.90, 145,038,009.45 and 86,551,324.70 is: 129,742,472.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,754,991.90 : 145,038,009.45 = 86,551,324.70 : x
  2. Step 2: Convert to fraction form
    96,754,991.90/145,038,009.45 = 86,551,324.70/x
  3. Step 3: Cross multiply
    96,754,991.90x = 145,038,009.45 × 86,551,324.70
  4. Step 4: Simplify right side
    96,754,991.90x = 12,553,231,849,748,618
  5. Step 5: Solve for x
    x = 12,553,231,849,748,618/96,754,991.90
  6. Step 6: Final answer
    x = 129,742,472.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.