Home / 225,172,974.28-310,736,329.50-126,054,535.72

Finding the Fourth Proportional to 225,172,974.28, 310,736,329.50 and 126,054,535.72

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Solution

The fourth proportional to 225,172,974.28, 310,736,329.50 and 126,054,535.72 is: 173,953,929.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,172,974.28 : 310,736,329.50 = 126,054,535.72 : x
  2. Step 2: Convert to fraction form
    225,172,974.28/310,736,329.50 = 126,054,535.72/x
  3. Step 3: Cross multiply
    225,172,974.28x = 310,736,329.50 × 126,054,535.72
  4. Step 4: Simplify right side
    225,172,974.28x = 39,169,723,746,459,440
  5. Step 5: Solve for x
    x = 39,169,723,746,459,440/225,172,974.28
  6. Step 6: Final answer
    x = 173,953,929.74

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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.