Home / 154,692,980.08-232,036,099.40-72,766,447.81

Finding the Fourth Proportional to 154,692,980.08, 232,036,099.40 and 72,766,447.81

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Solution

The fourth proportional to 154,692,980.08, 232,036,099.40 and 72,766,447.81 is: 109,148,086.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,692,980.08 : 232,036,099.40 = 72,766,447.81 : x
  2. Step 2: Convert to fraction form
    154,692,980.08/232,036,099.40 = 72,766,447.81/x
  3. Step 3: Cross multiply
    154,692,980.08x = 232,036,099.40 × 72,766,447.81
  4. Step 4: Simplify right side
    154,692,980.08x = 16,884,442,716,627,900
  5. Step 5: Solve for x
    x = 16,884,442,716,627,900/154,692,980.08
  6. Step 6: Final answer
    x = 109,148,086.15

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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.