Home / 206,903,300.70-310,334,799.06-84,088,981.74

Finding the Fourth Proportional to 206,903,300.70, 310,334,799.06 and 84,088,981.74

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Solution

The fourth proportional to 206,903,300.70, 310,334,799.06 and 84,088,981.74 is: 126,125,282.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,903,300.70 : 310,334,799.06 = 84,088,981.74 : x
  2. Step 2: Convert to fraction form
    206,903,300.70/310,334,799.06 = 84,088,981.74/x
  3. Step 3: Cross multiply
    206,903,300.70x = 310,334,799.06 × 84,088,981.74
  4. Step 4: Simplify right side
    206,903,300.70x = 26,095,737,251,442,908
  5. Step 5: Solve for x
    x = 26,095,737,251,442,908/206,903,300.70
  6. Step 6: Final answer
    x = 126,125,282.50

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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.