Home / 66,433,561.20-99,650,341.80-60,890,828.40

Finding the Fourth Proportional to 66,433,561.20, 99,650,341.80 and 60,890,828.40

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Solution

The fourth proportional to 66,433,561.20, 99,650,341.80 and 60,890,828.40 is: 91,336,242.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,433,561.20 : 99,650,341.80 = 60,890,828.40 : x
  2. Step 2: Convert to fraction form
    66,433,561.20/99,650,341.80 = 60,890,828.40/x
  3. Step 3: Cross multiply
    66,433,561.20x = 99,650,341.80 × 60,890,828.40
  4. Step 4: Simplify right side
    66,433,561.20x = 6,067,791,862,545,147
  5. Step 5: Solve for x
    x = 6,067,791,862,545,147/66,433,561.20
  6. Step 6: Final answer
    x = 91,336,242.60

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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.