Home / 42,923,330.40-64,362,877.20-15,983,119.20

Finding the Fourth Proportional to 42,923,330.40, 64,362,877.20 and 15,983,119.20

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Solution

The fourth proportional to 42,923,330.40, 64,362,877.20 and 15,983,119.20 is: 23,966,442.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,923,330.40 : 64,362,877.20 = 15,983,119.20 : x
  2. Step 2: Convert to fraction form
    42,923,330.40/64,362,877.20 = 15,983,119.20/x
  3. Step 3: Cross multiply
    42,923,330.40x = 64,362,877.20 × 15,983,119.20
  4. Step 4: Simplify right side
    42,923,330.40x = 1,028,719,538,342,562.25
  5. Step 5: Solve for x
    x = 1,028,719,538,342,562.25/42,923,330.40
  6. Step 6: Final answer
    x = 23,966,442.70

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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.