Home / 65,664,412.60-98,496,618.90-38,454,633.40

Finding the Fourth Proportional to 65,664,412.60, 98,496,618.90 and 38,454,633.40

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Solution

The fourth proportional to 65,664,412.60, 98,496,618.90 and 38,454,633.40 is: 57,681,950.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,664,412.60 : 98,496,618.90 = 38,454,633.40 : x
  2. Step 2: Convert to fraction form
    65,664,412.60/98,496,618.90 = 38,454,633.40/x
  3. Step 3: Cross multiply
    65,664,412.60x = 98,496,618.90 × 38,454,633.40
  4. Step 4: Simplify right side
    65,664,412.60x = 3,787,651,370,939,011.50
  5. Step 5: Solve for x
    x = 3,787,651,370,939,011.50/65,664,412.60
  6. Step 6: Final answer
    x = 57,681,950.10

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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.