Home / 206,677,803.70-310,016,705.55-91,886,547.70

Finding the Fourth Proportional to 206,677,803.70, 310,016,705.55 and 91,886,547.70

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Solution

The fourth proportional to 206,677,803.70, 310,016,705.55 and 91,886,547.70 is: 137,829,821.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,677,803.70 : 310,016,705.55 = 91,886,547.70 : x
  2. Step 2: Convert to fraction form
    206,677,803.70/310,016,705.55 = 91,886,547.70/x
  3. Step 3: Cross multiply
    206,677,803.70x = 310,016,705.55 × 91,886,547.70
  4. Step 4: Simplify right side
    206,677,803.70x = 28,486,364,802,316,932
  5. Step 5: Solve for x
    x = 28,486,364,802,316,932/206,677,803.70
  6. Step 6: Final answer
    x = 137,829,821.55

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Similar ratio
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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.