Home / 305,153,766.05-457,687,551.20-97,865,240.45

Finding the Fourth Proportional to 305,153,766.05, 457,687,551.20 and 97,865,240.45

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Solution

The fourth proportional to 305,153,766.05, 457,687,551.20 and 97,865,240.45 is: 146,784,038.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,153,766.05 : 457,687,551.20 = 97,865,240.45 : x
  2. Step 2: Convert to fraction form
    305,153,766.05/457,687,551.20 = 97,865,240.45/x
  3. Step 3: Cross multiply
    305,153,766.05x = 457,687,551.20 × 97,865,240.45
  4. Step 4: Simplify right side
    305,153,766.05x = 44,791,702,246,381,920
  5. Step 5: Solve for x
    x = 44,791,702,246,381,920/305,153,766.05
  6. Step 6: Final answer
    x = 146,784,038.84

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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.