Home / 314,928,613.70-472,392,920.55-84,920,948.90

Finding the Fourth Proportional to 314,928,613.70, 472,392,920.55 and 84,920,948.90

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Solution

The fourth proportional to 314,928,613.70, 472,392,920.55 and 84,920,948.90 is: 127,381,423.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,613.70 : 472,392,920.55 = 84,920,948.90 : x
  2. Step 2: Convert to fraction form
    314,928,613.70/472,392,920.55 = 84,920,948.90/x
  3. Step 3: Cross multiply
    314,928,613.70x = 472,392,920.55 × 84,920,948.90
  4. Step 4: Simplify right side
    314,928,613.70x = 40,116,055,066,748,312
  5. Step 5: Solve for x
    x = 40,116,055,066,748,312/314,928,613.70
  6. Step 6: Final answer
    x = 127,381,423.35

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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.