Home / 180,926,632.86-249,678,564.38-98,420,220.78

Finding the Fourth Proportional to 180,926,632.86, 249,678,564.38 and 98,420,220.78

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Solution

The fourth proportional to 180,926,632.86, 249,678,564.38 and 98,420,220.78 is: 135,819,801.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,926,632.86 : 249,678,564.38 = 98,420,220.78 : x
  2. Step 2: Convert to fraction form
    180,926,632.86/249,678,564.38 = 98,420,220.78/x
  3. Step 3: Cross multiply
    180,926,632.86x = 249,678,564.38 × 98,420,220.78
  4. Step 4: Simplify right side
    180,926,632.86x = 24,573,419,430,313,044
  5. Step 5: Solve for x
    x = 24,573,419,430,313,044/180,926,632.86
  6. Step 6: Final answer
    x = 135,819,801.88

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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.