Home / 310,439,200.40-465,579,373.08-92,038,472.72

Finding the Fourth Proportional to 310,439,200.40, 465,579,373.08 and 92,038,472.72

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Solution

The fourth proportional to 310,439,200.40, 465,579,373.08 and 92,038,472.72 is: 138,034,160.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,439,200.40 : 465,579,373.08 = 92,038,472.72 : x
  2. Step 2: Convert to fraction form
    310,439,200.40/465,579,373.08 = 92,038,472.72/x
  3. Step 3: Cross multiply
    310,439,200.40x = 465,579,373.08 × 92,038,472.72
  4. Step 4: Simplify right side
    310,439,200.40x = 42,851,214,428,218,280
  5. Step 5: Solve for x
    x = 42,851,214,428,218,280/310,439,200.40
  6. Step 6: Final answer
    x = 138,034,160.55

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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.