Home / 56,376,543.60-84,564,815.40-39,157,855.20

Finding the Fourth Proportional to 56,376,543.60, 84,564,815.40 and 39,157,855.20

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Solution

The fourth proportional to 56,376,543.60, 84,564,815.40 and 39,157,855.20 is: 58,736,782.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,376,543.60 : 84,564,815.40 = 39,157,855.20 : x
  2. Step 2: Convert to fraction form
    56,376,543.60/84,564,815.40 = 39,157,855.20/x
  3. Step 3: Cross multiply
    56,376,543.60x = 84,564,815.40 × 39,157,855.20
  4. Step 4: Simplify right side
    56,376,543.60x = 3,311,376,796,447,930.50
  5. Step 5: Solve for x
    x = 3,311,376,796,447,930.50/56,376,543.60
  6. Step 6: Final answer
    x = 58,736,782.80

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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.