Home / 56,976,245.40-85,464,368.10-54,488,314.20

Finding the Fourth Proportional to 56,976,245.40, 85,464,368.10 and 54,488,314.20

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Solution

The fourth proportional to 56,976,245.40, 85,464,368.10 and 54,488,314.20 is: 81,732,471.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,976,245.40 : 85,464,368.10 = 54,488,314.20 : x
  2. Step 2: Convert to fraction form
    56,976,245.40/85,464,368.10 = 54,488,314.20/x
  3. Step 3: Cross multiply
    56,976,245.40x = 85,464,368.10 × 54,488,314.20
  4. Step 4: Simplify right side
    56,976,245.40x = 4,656,809,341,937,257
  5. Step 5: Solve for x
    x = 4,656,809,341,937,257/56,976,245.40
  6. Step 6: Final answer
    x = 81,732,471.30

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1.5x scale

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.