Home / 252,710,318.94-348,718,596.03-145,423,116.78

Finding the Fourth Proportional to 252,710,318.94, 348,718,596.03 and 145,423,116.78

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Solution

The fourth proportional to 252,710,318.94, 348,718,596.03 and 145,423,116.78 is: 200,671,445.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,710,318.94 : 348,718,596.03 = 145,423,116.78 : x
  2. Step 2: Convert to fraction form
    252,710,318.94/348,718,596.03 = 145,423,116.78/x
  3. Step 3: Cross multiply
    252,710,318.94x = 348,718,596.03 × 145,423,116.78
  4. Step 4: Simplify right side
    252,710,318.94x = 50,711,745,113,828,328
  5. Step 5: Solve for x
    x = 50,711,745,113,828,328/252,710,318.94
  6. Step 6: Final answer
    x = 200,671,445.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.