Home / 66,528,015.60-99,792,023.40-47,156,991.15

Finding the Fourth Proportional to 66,528,015.60, 99,792,023.40 and 47,156,991.15

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Solution

The fourth proportional to 66,528,015.60, 99,792,023.40 and 47,156,991.15 is: 70,735,486.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,528,015.60 : 99,792,023.40 = 47,156,991.15 : x
  2. Step 2: Convert to fraction form
    66,528,015.60/99,792,023.40 = 47,156,991.15/x
  3. Step 3: Cross multiply
    66,528,015.60x = 99,792,023.40 × 47,156,991.15
  4. Step 4: Simplify right side
    66,528,015.60x = 4,705,891,564,314,393
  5. Step 5: Solve for x
    x = 4,705,891,564,314,393/66,528,015.60
  6. Step 6: Final answer
    x = 70,735,486.73

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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.