Home / 66,364,836.60-99,478,854.42-25,413,089.40

Finding the Fourth Proportional to 66,364,836.60, 99,478,854.42 and 25,413,089.40

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Solution

The fourth proportional to 66,364,836.60, 99,478,854.42 and 25,413,089.40 is: 38,093,441.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,364,836.60 : 99,478,854.42 = 25,413,089.40 : x
  2. Step 2: Convert to fraction form
    66,364,836.60/99,478,854.42 = 25,413,089.40/x
  3. Step 3: Cross multiply
    66,364,836.60x = 99,478,854.42 × 25,413,089.40
  4. Step 4: Simplify right side
    66,364,836.60x = 2,528,065,020,785,045
  5. Step 5: Solve for x
    x = 2,528,065,020,785,045/66,364,836.60
  6. Step 6: Final answer
    x = 38,093,441.50

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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.