Home / 66,434,558.20-99,651,837.30-60,376,130.80

Finding the Fourth Proportional to 66,434,558.20, 99,651,837.30 and 60,376,130.80

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Solution

The fourth proportional to 66,434,558.20, 99,651,837.30 and 60,376,130.80 is: 90,564,196.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,434,558.20 : 99,651,837.30 = 60,376,130.80 : x
  2. Step 2: Convert to fraction form
    66,434,558.20/99,651,837.30 = 60,376,130.80/x
  3. Step 3: Cross multiply
    66,434,558.20x = 99,651,837.30 × 60,376,130.80
  4. Step 4: Simplify right side
    66,434,558.20x = 6,016,592,363,285,118
  5. Step 5: Solve for x
    x = 6,016,592,363,285,118/66,434,558.20
  6. Step 6: Final answer
    x = 90,564,196.20

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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.