Home / 99,792,055.20-149,688,082.80-31,634,637.60

Finding the Fourth Proportional to 99,792,055.20, 149,688,082.80 and 31,634,637.60

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Solution

The fourth proportional to 99,792,055.20, 149,688,082.80 and 31,634,637.60 is: 47,451,956.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,792,055.20 : 149,688,082.80 = 31,634,637.60 : x
  2. Step 2: Convert to fraction form
    99,792,055.20/149,688,082.80 = 31,634,637.60/x
  3. Step 3: Cross multiply
    99,792,055.20x = 149,688,082.80 × 31,634,637.60
  4. Step 4: Simplify right side
    99,792,055.20x = 4,735,328,252,416,794
  5. Step 5: Solve for x
    x = 4,735,328,252,416,794/99,792,055.20
  6. Step 6: Final answer
    x = 47,451,956.40

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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.