Home / 66,434,465.20-99,651,697.80-57,931,409.20

Finding the Fourth Proportional to 66,434,465.20, 99,651,697.80 and 57,931,409.20

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Solution

The fourth proportional to 66,434,465.20, 99,651,697.80 and 57,931,409.20 is: 86,897,113.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,434,465.20 : 99,651,697.80 = 57,931,409.20 : x
  2. Step 2: Convert to fraction form
    66,434,465.20/99,651,697.80 = 57,931,409.20/x
  3. Step 3: Cross multiply
    66,434,465.20x = 99,651,697.80 × 57,931,409.20
  4. Step 4: Simplify right side
    66,434,465.20x = 5,772,963,282,726,540
  5. Step 5: Solve for x
    x = 5,772,963,282,726,540/66,434,465.20
  6. Step 6: Final answer
    x = 86,897,113.80

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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.