Home / 99,527,212.80-149,290,819.20-42,084,345.60

Finding the Fourth Proportional to 99,527,212.80, 149,290,819.20 and 42,084,345.60

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Solution

The fourth proportional to 99,527,212.80, 149,290,819.20 and 42,084,345.60 is: 63,126,518.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,527,212.80 : 149,290,819.20 = 42,084,345.60 : x
  2. Step 2: Convert to fraction form
    99,527,212.80/149,290,819.20 = 42,084,345.60/x
  3. Step 3: Cross multiply
    99,527,212.80x = 149,290,819.20 × 42,084,345.60
  4. Step 4: Simplify right side
    99,527,212.80x = 6,282,806,430,119,915
  5. Step 5: Solve for x
    x = 6,282,806,430,119,915/99,527,212.80
  6. Step 6: Final answer
    x = 63,126,518.40

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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.