Home / 56,668,661.40-85,191,948.90-48,354,562.20

Finding the Fourth Proportional to 56,668,661.40, 85,191,948.90 and 48,354,562.20

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Solution

The fourth proportional to 56,668,661.40, 85,191,948.90 and 48,354,562.20 is: 72,693,077.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,668,661.40 : 85,191,948.90 = 48,354,562.20 : x
  2. Step 2: Convert to fraction form
    56,668,661.40/85,191,948.90 = 48,354,562.20/x
  3. Step 3: Cross multiply
    56,668,661.40x = 85,191,948.90 × 48,354,562.20
  4. Step 4: Simplify right side
    56,668,661.40x = 4,119,419,392,024,272
  5. Step 5: Solve for x
    x = 4,119,419,392,024,272/56,668,661.40
  6. Step 6: Final answer
    x = 72,693,077.45

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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.