Home / 85,891,505.10-128,837,257.65-44,935,118.70

Finding the Fourth Proportional to 85,891,505.10, 128,837,257.65 and 44,935,118.70

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Solution

The fourth proportional to 85,891,505.10, 128,837,257.65 and 44,935,118.70 is: 67,402,678.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,891,505.10 : 128,837,257.65 = 44,935,118.70 : x
  2. Step 2: Convert to fraction form
    85,891,505.10/128,837,257.65 = 44,935,118.70/x
  3. Step 3: Cross multiply
    85,891,505.10x = 128,837,257.65 × 44,935,118.70
  4. Step 4: Simplify right side
    85,891,505.10x = 5,789,317,465,485,234
  5. Step 5: Solve for x
    x = 5,789,317,465,485,234/85,891,505.10
  6. Step 6: Final answer
    x = 67,402,678.05

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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.