Home / 42,740,719.32-64,110,179.88-10,392,787.74

Finding the Fourth Proportional to 42,740,719.32, 64,110,179.88 and 10,392,787.74

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Solution

The fourth proportional to 42,740,719.32, 64,110,179.88 and 10,392,787.74 is: 15,588,962.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,740,719.32 : 64,110,179.88 = 10,392,787.74 : x
  2. Step 2: Convert to fraction form
    42,740,719.32/64,110,179.88 = 10,392,787.74/x
  3. Step 3: Cross multiply
    42,740,719.32x = 64,110,179.88 × 10,392,787.74
  4. Step 4: Simplify right side
    42,740,719.32x = 666,283,491,466,058.75
  5. Step 5: Solve for x
    x = 666,283,491,466,058.75/42,740,719.32
  6. Step 6: Final answer
    x = 15,588,962.99

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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.