Home / 66,267,458.40-99,342,205.20-39,312,501.60

Finding the Fourth Proportional to 66,267,458.40, 99,342,205.20 and 39,312,501.60

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Solution

The fourth proportional to 66,267,458.40, 99,342,205.20 and 39,312,501.60 is: 58,933,761.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,267,458.40 : 99,342,205.20 = 39,312,501.60 : x
  2. Step 2: Convert to fraction form
    66,267,458.40/99,342,205.20 = 39,312,501.60/x
  3. Step 3: Cross multiply
    66,267,458.40x = 99,342,205.20 × 39,312,501.60
  4. Step 4: Simplify right side
    66,267,458.40x = 3,905,390,600,872,528.50
  5. Step 5: Solve for x
    x = 3,905,390,600,872,528.50/66,267,458.40
  6. Step 6: Final answer
    x = 58,933,761.69

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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.