Home / 66,434,587.20-99,651,880.80-60,376,159.80

Finding the Fourth Proportional to 66,434,587.20, 99,651,880.80 and 60,376,159.80

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Solution

The fourth proportional to 66,434,587.20, 99,651,880.80 and 60,376,159.80 is: 90,564,239.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,434,587.20 : 99,651,880.80 = 60,376,159.80 : x
  2. Step 2: Convert to fraction form
    66,434,587.20/99,651,880.80 = 60,376,159.80/x
  3. Step 3: Cross multiply
    66,434,587.20x = 99,651,880.80 × 60,376,159.80
  4. Step 4: Simplify right side
    66,434,587.20x = 6,016,597,879,551,351
  5. Step 5: Solve for x
    x = 6,016,597,879,551,351/66,434,587.20
  6. Step 6: Final answer
    x = 90,564,239.70

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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.