Home / 243,728,829.59-365,580,368.40-79,945,011.95

Finding the Fourth Proportional to 243,728,829.59, 365,580,368.40 and 79,945,011.95

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Solution

The fourth proportional to 243,728,829.59, 365,580,368.40 and 79,945,011.95 is: 119,913,294.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,728,829.59 : 365,580,368.40 = 79,945,011.95 : x
  2. Step 2: Convert to fraction form
    243,728,829.59/365,580,368.40 = 79,945,011.95/x
  3. Step 3: Cross multiply
    243,728,829.59x = 365,580,368.40 × 79,945,011.95
  4. Step 4: Simplify right side
    243,728,829.59x = 29,226,326,918,595,496
  5. Step 5: Solve for x
    x = 29,226,326,918,595,496/243,728,829.59
  6. Step 6: Final answer
    x = 119,913,294.49

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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.