Home / 75,581,423.40-113,372,135.10-60,464,879.40

Finding the Fourth Proportional to 75,581,423.40, 113,372,135.10 and 60,464,879.40

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Solution

The fourth proportional to 75,581,423.40, 113,372,135.10 and 60,464,879.40 is: 90,697,319.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,581,423.40 : 113,372,135.10 = 60,464,879.40 : x
  2. Step 2: Convert to fraction form
    75,581,423.40/113,372,135.10 = 60,464,879.40/x
  3. Step 3: Cross multiply
    75,581,423.40x = 113,372,135.10 × 60,464,879.40
  4. Step 4: Simplify right side
    75,581,423.40x = 6,855,032,476,142,006
  5. Step 5: Solve for x
    x = 6,855,032,476,142,006/75,581,423.40
  6. Step 6: Final answer
    x = 90,697,319.10

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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.