Home / 415,244,834.80-623,106,400.65-156,645,644.20

Finding the Fourth Proportional to 415,244,834.80, 623,106,400.65 and 156,645,644.20

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Solution

The fourth proportional to 415,244,834.80, 623,106,400.65 and 156,645,644.20 is: 235,058,681.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,244,834.80 : 623,106,400.65 = 156,645,644.20 : x
  2. Step 2: Convert to fraction form
    415,244,834.80/623,106,400.65 = 156,645,644.20/x
  3. Step 3: Cross multiply
    415,244,834.80x = 623,106,400.65 × 156,645,644.20
  4. Step 4: Simplify right side
    415,244,834.80x = 97,606,903,534,962,544
  5. Step 5: Solve for x
    x = 97,606,903,534,962,544/415,244,834.80
  6. Step 6: Final answer
    x = 235,058,681.90

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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.