Home / 42,105,537.04-63,183,499.76-38,679,120.40

Finding the Fourth Proportional to 42,105,537.04, 63,183,499.76 and 38,679,120.40

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Solution

The fourth proportional to 42,105,537.04, 63,183,499.76 and 38,679,120.40 is: 58,041,824.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,105,537.04 : 63,183,499.76 = 38,679,120.40 : x
  2. Step 2: Convert to fraction form
    42,105,537.04/63,183,499.76 = 38,679,120.40/x
  3. Step 3: Cross multiply
    42,105,537.04x = 63,183,499.76 × 38,679,120.40
  4. Step 4: Simplify right side
    42,105,537.04x = 2,443,882,194,510,411
  5. Step 5: Solve for x
    x = 2,443,882,194,510,411/42,105,537.04
  6. Step 6: Final answer
    x = 58,041,824.57

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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.