Home / 128,012,946.04-176,658,305.23-69,275,595.57

Finding the Fourth Proportional to 128,012,946.04, 176,658,305.23 and 69,275,595.57

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Solution

The fourth proportional to 128,012,946.04, 176,658,305.23 and 69,275,595.57 is: 95,600,559.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,012,946.04 : 176,658,305.23 = 69,275,595.57 : x
  2. Step 2: Convert to fraction form
    128,012,946.04/176,658,305.23 = 69,275,595.57/x
  3. Step 3: Cross multiply
    128,012,946.04x = 176,658,305.23 × 69,275,595.57
  4. Step 4: Simplify right side
    128,012,946.04x = 12,238,109,306,619,220
  5. Step 5: Solve for x
    x = 12,238,109,306,619,220/128,012,946.04
  6. Step 6: Final answer
    x = 95,600,559.83

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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.