Home / 42,771,143.80-64,156,715.70-14,010,344.20

Finding the Fourth Proportional to 42,771,143.80, 64,156,715.70 and 14,010,344.20

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Solution

The fourth proportional to 42,771,143.80, 64,156,715.70 and 14,010,344.20 is: 21,015,516.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,771,143.80 : 64,156,715.70 = 14,010,344.20 : x
  2. Step 2: Convert to fraction form
    42,771,143.80/64,156,715.70 = 14,010,344.20/x
  3. Step 3: Cross multiply
    42,771,143.80x = 64,156,715.70 × 14,010,344.20
  4. Step 4: Simplify right side
    42,771,143.80x = 898,857,669,698,543.88
  5. Step 5: Solve for x
    x = 898,857,669,698,543.88/42,771,143.80
  6. Step 6: Final answer
    x = 21,015,516.30

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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.