Home / 66,528,052.60-99,792,078.90-47,157,028.15

Finding the Fourth Proportional to 66,528,052.60, 99,792,078.90 and 47,157,028.15

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Solution

The fourth proportional to 66,528,052.60, 99,792,078.90 and 47,157,028.15 is: 70,735,542.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,528,052.60 : 99,792,078.90 = 47,157,028.15 : x
  2. Step 2: Convert to fraction form
    66,528,052.60/99,792,078.90 = 47,157,028.15/x
  3. Step 3: Cross multiply
    66,528,052.60x = 99,792,078.90 × 47,157,028.15
  4. Step 4: Simplify right side
    66,528,052.60x = 4,705,897,873,834,321
  5. Step 5: Solve for x
    x = 4,705,897,873,834,321/66,528,052.60
  6. Step 6: Final answer
    x = 70,735,542.23

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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.