Home / 56,773,178.11-78,346,925.66-30,667,691.75

Finding the Fourth Proportional to 56,773,178.11, 78,346,925.66 and 30,667,691.75

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Solution

The fourth proportional to 56,773,178.11, 78,346,925.66 and 30,667,691.75 is: 42,321,382.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,773,178.11 : 78,346,925.66 = 30,667,691.75 : x
  2. Step 2: Convert to fraction form
    56,773,178.11/78,346,925.66 = 30,667,691.75/x
  3. Step 3: Cross multiply
    56,773,178.11x = 78,346,925.66 × 30,667,691.75
  4. Step 4: Simplify right side
    56,773,178.11x = 2,402,719,365,547,707
  5. Step 5: Solve for x
    x = 2,402,719,365,547,707/56,773,178.11
  6. Step 6: Final answer
    x = 42,321,382.13

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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.