Home / 66,745,985.20-100,118,977.80-62,069,304.40

Finding the Fourth Proportional to 66,745,985.20, 100,118,977.80 and 62,069,304.40

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Solution

The fourth proportional to 66,745,985.20, 100,118,977.80 and 62,069,304.40 is: 93,103,956.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,745,985.20 : 100,118,977.80 = 62,069,304.40 : x
  2. Step 2: Convert to fraction form
    66,745,985.20/100,118,977.80 = 62,069,304.40/x
  3. Step 3: Cross multiply
    66,745,985.20x = 100,118,977.80 × 62,069,304.40
  4. Step 4: Simplify right side
    66,745,985.20x = 6,214,315,309,285,042
  5. Step 5: Solve for x
    x = 6,214,315,309,285,042/66,745,985.20
  6. Step 6: Final answer
    x = 93,103,956.60

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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.