Home / 126,423,840.15-189,635,833.53-35,547,429.15

Finding the Fourth Proportional to 126,423,840.15, 189,635,833.53 and 35,547,429.15

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Solution

The fourth proportional to 126,423,840.15, 189,635,833.53 and 35,547,429.15 is: 53,321,164.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,423,840.15 : 189,635,833.53 = 35,547,429.15 : x
  2. Step 2: Convert to fraction form
    126,423,840.15/189,635,833.53 = 35,547,429.15/x
  3. Step 3: Cross multiply
    126,423,840.15x = 189,635,833.53 × 35,547,429.15
  4. Step 4: Simplify right side
    126,423,840.15x = 6,741,066,356,708,869
  5. Step 5: Solve for x
    x = 6,741,066,356,708,869/126,423,840.15
  6. Step 6: Final answer
    x = 53,321,164.34

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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.