Home / 145,728,005.40-218,592,008.10-38,022,629.40

Finding the Fourth Proportional to 145,728,005.40, 218,592,008.10 and 38,022,629.40

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Solution

The fourth proportional to 145,728,005.40, 218,592,008.10 and 38,022,629.40 is: 57,033,944.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,728,005.40 : 218,592,008.10 = 38,022,629.40 : x
  2. Step 2: Convert to fraction form
    145,728,005.40/218,592,008.10 = 38,022,629.40/x
  3. Step 3: Cross multiply
    145,728,005.40x = 218,592,008.10 × 38,022,629.40
  4. Step 4: Simplify right side
    145,728,005.40x = 8,311,442,913,788,098
  5. Step 5: Solve for x
    x = 8,311,442,913,788,098/145,728,005.40
  6. Step 6: Final answer
    x = 57,033,944.10

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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.