Home / 191,001,206.40-286,501,809.60-54,686,589.90

Finding the Fourth Proportional to 191,001,206.40, 286,501,809.60 and 54,686,589.90

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Solution

The fourth proportional to 191,001,206.40, 286,501,809.60 and 54,686,589.90 is: 82,029,884.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,001,206.40 : 286,501,809.60 = 54,686,589.90 : x
  2. Step 2: Convert to fraction form
    191,001,206.40/286,501,809.60 = 54,686,589.90/x
  3. Step 3: Cross multiply
    191,001,206.40x = 286,501,809.60 × 54,686,589.90
  4. Step 4: Simplify right side
    191,001,206.40x = 15,667,806,967,203,084
  5. Step 5: Solve for x
    x = 15,667,806,967,203,084/191,001,206.40
  6. Step 6: Final answer
    x = 82,029,884.85

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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.