Home / 410,705,167.80-616,051,795.86-99,815,089.08

Finding the Fourth Proportional to 410,705,167.80, 616,051,795.86 and 99,815,089.08

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Solution

The fourth proportional to 410,705,167.80, 616,051,795.86 and 99,815,089.08 is: 149,721,186.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,705,167.80 : 616,051,795.86 = 99,815,089.08 : x
  2. Step 2: Convert to fraction form
    410,705,167.80/616,051,795.86 = 99,815,089.08/x
  3. Step 3: Cross multiply
    410,705,167.80x = 616,051,795.86 × 99,815,089.08
  4. Step 4: Simplify right side
    410,705,167.80x = 61,491,264,881,659,872
  5. Step 5: Solve for x
    x = 61,491,264,881,659,872/410,705,167.80
  6. Step 6: Final answer
    x = 149,721,186.15

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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.