Home / 154,692,990.60-232,036,115.10-72,766,458.36

Finding the Fourth Proportional to 154,692,990.60, 232,036,115.10 and 72,766,458.36

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Solution

The fourth proportional to 154,692,990.60, 232,036,115.10 and 72,766,458.36 is: 109,148,101.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,692,990.60 : 232,036,115.10 = 72,766,458.36 : x
  2. Step 2: Convert to fraction form
    154,692,990.60/232,036,115.10 = 72,766,458.36/x
  3. Step 3: Cross multiply
    154,692,990.60x = 232,036,115.10 × 72,766,458.36
  4. Step 4: Simplify right side
    154,692,990.60x = 16,884,446,307,440,316
  5. Step 5: Solve for x
    x = 16,884,446,307,440,316/154,692,990.60
  6. Step 6: Final answer
    x = 109,148,101.94

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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.