Home / 63,407,720,592.72-95,111,607,830.07-18,639,220,433.28

Finding the Fourth Proportional to 63,407,720,592.72, 95,111,607,830.07 and 18,639,220,433.28

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Solution

The fourth proportional to 63,407,720,592.72, 95,111,607,830.07 and 18,639,220,433.28 is: 27,958,838,569.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,407,720,592.72 : 95,111,607,830.07 = 18,639,220,433.28 : x
  2. Step 2: Convert to fraction form
    63,407,720,592.72/95,111,607,830.07 = 18,639,220,433.28/x
  3. Step 3: Cross multiply
    63,407,720,592.72x = 95,111,607,830.07 × 18,639,220,433.28
  4. Step 4: Simplify right side
    63,407,720,592.72x = 1,772,806,224,108,354,797,568
  5. Step 5: Solve for x
    x = 1,772,806,224,108,354,797,568/63,407,720,592.72
  6. Step 6: Final answer
    x = 27,958,838,569.45

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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.