Home / 66,472,956.80-99,709,435.20-62,441,878.40

Finding the Fourth Proportional to 66,472,956.80, 99,709,435.20 and 62,441,878.40

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Solution

The fourth proportional to 66,472,956.80, 99,709,435.20 and 62,441,878.40 is: 93,662,817.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,472,956.80 : 99,709,435.20 = 62,441,878.40 : x
  2. Step 2: Convert to fraction form
    66,472,956.80/99,709,435.20 = 62,441,878.40/x
  3. Step 3: Cross multiply
    66,472,956.80x = 99,709,435.20 × 62,441,878.40
  4. Step 4: Simplify right side
    66,472,956.80x = 6,226,044,428,091,080
  5. Step 5: Solve for x
    x = 6,226,044,428,091,080/66,472,956.80
  6. Step 6: Final answer
    x = 93,662,817.60

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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.