Home / 109,152,444.60-163,728,666.90-66,105,723.60

Finding the Fourth Proportional to 109,152,444.60, 163,728,666.90 and 66,105,723.60

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Solution

The fourth proportional to 109,152,444.60, 163,728,666.90 and 66,105,723.60 is: 99,158,585.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,152,444.60 : 163,728,666.90 = 66,105,723.60 : x
  2. Step 2: Convert to fraction form
    109,152,444.60/163,728,666.90 = 66,105,723.60/x
  3. Step 3: Cross multiply
    109,152,444.60x = 163,728,666.90 × 66,105,723.60
  4. Step 4: Simplify right side
    109,152,444.60x = 10,823,401,999,487,870
  5. Step 5: Solve for x
    x = 10,823,401,999,487,870/109,152,444.60
  6. Step 6: Final answer
    x = 99,158,585.40

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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.