Home / 85,891,504.60-128,837,256.90-44,935,118.20

Finding the Fourth Proportional to 85,891,504.60, 128,837,256.90 and 44,935,118.20

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Solution

The fourth proportional to 85,891,504.60, 128,837,256.90 and 44,935,118.20 is: 67,402,677.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,891,504.60 : 128,837,256.90 = 44,935,118.20 : x
  2. Step 2: Convert to fraction form
    85,891,504.60/128,837,256.90 = 44,935,118.20/x
  3. Step 3: Cross multiply
    85,891,504.60x = 128,837,256.90 × 44,935,118.20
  4. Step 4: Simplify right side
    85,891,504.60x = 5,789,317,367,365,266
  5. Step 5: Solve for x
    x = 5,789,317,367,365,266/85,891,504.60
  6. Step 6: Final answer
    x = 67,402,677.30

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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.