Home / 128,202,487.60-192,303,731.40-37,329,041.20

Finding the Fourth Proportional to 128,202,487.60, 192,303,731.40 and 37,329,041.20

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Solution

The fourth proportional to 128,202,487.60, 192,303,731.40 and 37,329,041.20 is: 55,993,561.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,202,487.60 : 192,303,731.40 = 37,329,041.20 : x
  2. Step 2: Convert to fraction form
    128,202,487.60/192,303,731.40 = 37,329,041.20/x
  3. Step 3: Cross multiply
    128,202,487.60x = 192,303,731.40 × 37,329,041.20
  4. Step 4: Simplify right side
    128,202,487.60x = 7,178,513,912,344,334
  5. Step 5: Solve for x
    x = 7,178,513,912,344,334/128,202,487.60
  6. Step 6: Final answer
    x = 55,993,561.80

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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.