Home / 142,155,000.30-196,204,208.68-97,561,973.10

Finding the Fourth Proportional to 142,155,000.30, 196,204,208.68 and 97,561,973.10

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Solution

The fourth proportional to 142,155,000.30, 196,204,208.68 and 97,561,973.10 is: 134,656,323.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,155,000.30 : 196,204,208.68 = 97,561,973.10 : x
  2. Step 2: Convert to fraction form
    142,155,000.30/196,204,208.68 = 97,561,973.10/x
  3. Step 3: Cross multiply
    142,155,000.30x = 196,204,208.68 × 97,561,973.10
  4. Step 4: Simplify right side
    142,155,000.30x = 19,142,069,729,344,948
  5. Step 5: Solve for x
    x = 19,142,069,729,344,948/142,155,000.30
  6. Step 6: Final answer
    x = 134,656,323.65

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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.