Home / 292,014,065.64-402,979,378-158,051,959

Finding the Fourth Proportional to 292,014,065.64, 402,979,378 and 158,051,959

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Solution

The fourth proportional to 292,014,065.64, 402,979,378 and 158,051,959 is: 218,111,685.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,014,065.64 : 402,979,378 = 158,051,959 : x
  2. Step 2: Convert to fraction form
    292,014,065.64/402,979,378 = 158,051,959/x
  3. Step 3: Cross multiply
    292,014,065.64x = 402,979,378 × 158,051,959
  4. Step 4: Simplify right side
    292,014,065.64x = 63,691,680,129,501,504
  5. Step 5: Solve for x
    x = 63,691,680,129,501,504/292,014,065.64
  6. Step 6: Final answer
    x = 218,111,685.78

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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.