Home / 42,913,151.40-64,369,727.10-38,236,470.60

Finding the Fourth Proportional to 42,913,151.40, 64,369,727.10 and 38,236,470.60

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Solution

The fourth proportional to 42,913,151.40, 64,369,727.10 and 38,236,470.60 is: 57,354,705.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,913,151.40 : 64,369,727.10 = 38,236,470.60 : x
  2. Step 2: Convert to fraction form
    42,913,151.40/64,369,727.10 = 38,236,470.60/x
  3. Step 3: Cross multiply
    42,913,151.40x = 64,369,727.10 × 38,236,470.60
  4. Step 4: Simplify right side
    42,913,151.40x = 2,461,271,177,789,173.50
  5. Step 5: Solve for x
    x = 2,461,271,177,789,173.50/42,913,151.40
  6. Step 6: Final answer
    x = 57,354,705.90

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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.