Home / 83,490,768-115,222,709.52-48,210,062.40

Finding the Fourth Proportional to 83,490,768, 115,222,709.52 and 48,210,062.40

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Solution

The fourth proportional to 83,490,768, 115,222,709.52 and 48,210,062.40 is: 66,533,032.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,490,768 : 115,222,709.52 = 48,210,062.40 : x
  2. Step 2: Convert to fraction form
    83,490,768/115,222,709.52 = 48,210,062.40/x
  3. Step 3: Cross multiply
    83,490,768x = 115,222,709.52 × 48,210,062.40
  4. Step 4: Simplify right side
    83,490,768x = 5,554,894,015,856,274
  5. Step 5: Solve for x
    x = 5,554,894,015,856,274/83,490,768
  6. Step 6: Final answer
    x = 66,533,032.92

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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.