Home / 99,853,133.60-149,779,700.40-42,335,616.80

Finding the Fourth Proportional to 99,853,133.60, 149,779,700.40 and 42,335,616.80

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Solution

The fourth proportional to 99,853,133.60, 149,779,700.40 and 42,335,616.80 is: 63,503,425.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,853,133.60 : 149,779,700.40 = 42,335,616.80 : x
  2. Step 2: Convert to fraction form
    99,853,133.60/149,779,700.40 = 42,335,616.80/x
  3. Step 3: Cross multiply
    99,853,133.60x = 149,779,700.40 × 42,335,616.80
  4. Step 4: Simplify right side
    99,853,133.60x = 6,341,016,000,553,207
  5. Step 5: Solve for x
    x = 6,341,016,000,553,207/99,853,133.60
  6. Step 6: Final answer
    x = 63,503,425.20

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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.