Home / 52,506,696.20-78,760,044.30-45,326,337.80

Finding the Fourth Proportional to 52,506,696.20, 78,760,044.30 and 45,326,337.80

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Solution

The fourth proportional to 52,506,696.20, 78,760,044.30 and 45,326,337.80 is: 67,989,506.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,506,696.20 : 78,760,044.30 = 45,326,337.80 : x
  2. Step 2: Convert to fraction form
    52,506,696.20/78,760,044.30 = 45,326,337.80/x
  3. Step 3: Cross multiply
    52,506,696.20x = 78,760,044.30 × 45,326,337.80
  4. Step 4: Simplify right side
    52,506,696.20x = 3,569,904,373,084,764
  5. Step 5: Solve for x
    x = 3,569,904,373,084,764/52,506,696.20
  6. Step 6: Final answer
    x = 67,989,506.70

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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.