Home / 415,657,113.30-623,541,657.15-143,111,423.70

Finding the Fourth Proportional to 415,657,113.30, 623,541,657.15 and 143,111,423.70

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Solution

The fourth proportional to 415,657,113.30, 623,541,657.15 and 143,111,423.70 is: 214,686,412.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,657,113.30 : 623,541,657.15 = 143,111,423.70 : x
  2. Step 2: Convert to fraction form
    415,657,113.30/623,541,657.15 = 143,111,423.70/x
  3. Step 3: Cross multiply
    415,657,113.30x = 623,541,657.15 × 143,111,423.70
  4. Step 4: Simplify right side
    415,657,113.30x = 89,235,934,290,993,776
  5. Step 5: Solve for x
    x = 89,235,934,290,993,776/415,657,113.30
  6. Step 6: Final answer
    x = 214,686,412.03

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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.