Home / 186,107,630.40-279,171,943.20-56,719,461.60

Finding the Fourth Proportional to 186,107,630.40, 279,171,943.20 and 56,719,461.60

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Solution

The fourth proportional to 186,107,630.40, 279,171,943.20 and 56,719,461.60 is: 85,082,391.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,107,630.40 : 279,171,943.20 = 56,719,461.60 : x
  2. Step 2: Convert to fraction form
    186,107,630.40/279,171,943.20 = 56,719,461.60/x
  3. Step 3: Cross multiply
    186,107,630.40x = 279,171,943.20 × 56,719,461.60
  4. Step 4: Simplify right side
    186,107,630.40x = 15,834,482,312,129,780
  5. Step 5: Solve for x
    x = 15,834,482,312,129,780/186,107,630.40
  6. Step 6: Final answer
    x = 85,082,391.72

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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.