Home / 126,357,178.88-189,547,335.12-35,480,155.52

Finding the Fourth Proportional to 126,357,178.88, 189,547,335.12 and 35,480,155.52

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Solution

The fourth proportional to 126,357,178.88, 189,547,335.12 and 35,480,155.52 is: 53,223,481.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,357,178.88 : 189,547,335.12 = 35,480,155.52 : x
  2. Step 2: Convert to fraction form
    126,357,178.88/189,547,335.12 = 35,480,155.52/x
  3. Step 3: Cross multiply
    126,357,178.88x = 189,547,335.12 × 35,480,155.52
  4. Step 4: Simplify right side
    126,357,178.88x = 6,725,168,928,459,159
  5. Step 5: Solve for x
    x = 6,725,168,928,459,159/126,357,178.88
  6. Step 6: Final answer
    x = 53,223,481.15

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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.