Home / 66,454,089.60-99,482,068.80-39,513,878.40

Finding the Fourth Proportional to 66,454,089.60, 99,482,068.80 and 39,513,878.40

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Solution

The fourth proportional to 66,454,089.60, 99,482,068.80 and 39,513,878.40 is: 59,152,452.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,454,089.60 : 99,482,068.80 = 39,513,878.40 : x
  2. Step 2: Convert to fraction form
    66,454,089.60/99,482,068.80 = 39,513,878.40/x
  3. Step 3: Cross multiply
    66,454,089.60x = 99,482,068.80 × 39,513,878.40
  4. Step 4: Simplify right side
    66,454,089.60x = 3,930,922,369,543,633.50
  5. Step 5: Solve for x
    x = 3,930,922,369,543,633.50/66,454,089.60
  6. Step 6: Final answer
    x = 59,152,452.37

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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.