Home / 60,668,043.80-91,002,065.70-40,260,709.40

Finding the Fourth Proportional to 60,668,043.80, 91,002,065.70 and 40,260,709.40

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Solution

The fourth proportional to 60,668,043.80, 91,002,065.70 and 40,260,709.40 is: 60,391,064.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,668,043.80 : 91,002,065.70 = 40,260,709.40 : x
  2. Step 2: Convert to fraction form
    60,668,043.80/91,002,065.70 = 40,260,709.40/x
  3. Step 3: Cross multiply
    60,668,043.80x = 91,002,065.70 × 40,260,709.40
  4. Step 4: Simplify right side
    60,668,043.80x = 3,663,807,721,947,407.50
  5. Step 5: Solve for x
    x = 3,663,807,721,947,407.50/60,668,043.80
  6. Step 6: Final answer
    x = 60,391,064.10

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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.