Home / 42,646,543.70-63,969,815.55-15,357,048.35

Finding the Fourth Proportional to 42,646,543.70, 63,969,815.55 and 15,357,048.35

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Solution

The fourth proportional to 42,646,543.70, 63,969,815.55 and 15,357,048.35 is: 23,035,572.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,646,543.70 : 63,969,815.55 = 15,357,048.35 : x
  2. Step 2: Convert to fraction form
    42,646,543.70/63,969,815.55 = 15,357,048.35/x
  3. Step 3: Cross multiply
    42,646,543.70x = 63,969,815.55 × 15,357,048.35
  4. Step 4: Simplify right side
    42,646,543.70x = 982,387,550,341,931.75
  5. Step 5: Solve for x
    x = 982,387,550,341,931.75/42,646,543.70
  6. Step 6: Final answer
    x = 23,035,572.53

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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.