Home / 207,931,748.60-311,897,622.90-54,593,305.40

Finding the Fourth Proportional to 207,931,748.60, 311,897,622.90 and 54,593,305.40

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Solution

The fourth proportional to 207,931,748.60, 311,897,622.90 and 54,593,305.40 is: 81,889,958.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,931,748.60 : 311,897,622.90 = 54,593,305.40 : x
  2. Step 2: Convert to fraction form
    207,931,748.60/311,897,622.90 = 54,593,305.40/x
  3. Step 3: Cross multiply
    207,931,748.60x = 311,897,622.90 × 54,593,305.40
  4. Step 4: Simplify right side
    207,931,748.60x = 17,027,522,180,513,732
  5. Step 5: Solve for x
    x = 17,027,522,180,513,732/207,931,748.60
  6. Step 6: Final answer
    x = 81,889,958.10

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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.