Home / 66,385,672.80-99,578,509.20-62,354,594.40

Finding the Fourth Proportional to 66,385,672.80, 99,578,509.20 and 62,354,594.40

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Solution

The fourth proportional to 66,385,672.80, 99,578,509.20 and 62,354,594.40 is: 93,531,891.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,385,672.80 : 99,578,509.20 = 62,354,594.40 : x
  2. Step 2: Convert to fraction form
    66,385,672.80/99,578,509.20 = 62,354,594.40/x
  3. Step 3: Cross multiply
    66,385,672.80x = 99,578,509.20 × 62,354,594.40
  4. Step 4: Simplify right side
    66,385,672.80x = 6,209,177,552,122,669
  5. Step 5: Solve for x
    x = 6,209,177,552,122,669/66,385,672.80
  6. Step 6: Final answer
    x = 93,531,891.60

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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.