Home / 83,430,505.74-115,123,514.02-45,743,752.89

Finding the Fourth Proportional to 83,430,505.74, 115,123,514.02 and 45,743,752.89

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Solution

The fourth proportional to 83,430,505.74, 115,123,514.02 and 45,743,752.89 is: 63,120,575.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,430,505.74 : 115,123,514.02 = 45,743,752.89 : x
  2. Step 2: Convert to fraction form
    83,430,505.74/115,123,514.02 = 45,743,752.89/x
  3. Step 3: Cross multiply
    83,430,505.74x = 115,123,514.02 × 45,743,752.89
  4. Step 4: Simplify right side
    83,430,505.74x = 5,266,181,577,044,971
  5. Step 5: Solve for x
    x = 5,266,181,577,044,971/83,430,505.74
  6. Step 6: Final answer
    x = 63,120,575.98

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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.