Home / 52,506,739.70-78,760,109.55-45,326,381.30

Finding the Fourth Proportional to 52,506,739.70, 78,760,109.55 and 45,326,381.30

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Solution

The fourth proportional to 52,506,739.70, 78,760,109.55 and 45,326,381.30 is: 67,989,571.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,506,739.70 : 78,760,109.55 = 45,326,381.30 : x
  2. Step 2: Convert to fraction form
    52,506,739.70/78,760,109.55 = 45,326,381.30/x
  3. Step 3: Cross multiply
    52,506,739.70x = 78,760,109.55 × 45,326,381.30
  4. Step 4: Simplify right side
    52,506,739.70x = 3,569,910,756,693,071
  5. Step 5: Solve for x
    x = 3,569,910,756,693,071/52,506,739.70
  6. Step 6: Final answer
    x = 67,989,571.95

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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.