Home / 103,676,869.11-143,071,338.90-57,266,126.58

Finding the Fourth Proportional to 103,676,869.11, 143,071,338.90 and 57,266,126.58

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Solution

The fourth proportional to 103,676,869.11, 143,071,338.90 and 57,266,126.58 is: 79,025,740.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,676,869.11 : 143,071,338.90 = 57,266,126.58 : x
  2. Step 2: Convert to fraction form
    103,676,869.11/143,071,338.90 = 57,266,126.58/x
  3. Step 3: Cross multiply
    103,676,869.11x = 143,071,338.90 × 57,266,126.58
  4. Step 4: Simplify right side
    103,676,869.11x = 8,193,141,403,417,478
  5. Step 5: Solve for x
    x = 8,193,141,403,417,478/103,676,869.11
  6. Step 6: Final answer
    x = 79,025,740.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.