Home / 52,002,420.10-78,003,630.15-39,153,357.70

Finding the Fourth Proportional to 52,002,420.10, 78,003,630.15 and 39,153,357.70

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Solution

The fourth proportional to 52,002,420.10, 78,003,630.15 and 39,153,357.70 is: 58,730,036.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,002,420.10 : 78,003,630.15 = 39,153,357.70 : x
  2. Step 2: Convert to fraction form
    52,002,420.10/78,003,630.15 = 39,153,357.70/x
  3. Step 3: Cross multiply
    52,002,420.10x = 78,003,630.15 × 39,153,357.70
  4. Step 4: Simplify right side
    52,002,420.10x = 3,054,104,033,161,455
  5. Step 5: Solve for x
    x = 3,054,104,033,161,455/52,002,420.10
  6. Step 6: Final answer
    x = 58,730,036.55

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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.