Home / 191,001,200.90-286,501,801.35-54,686,584.40

Finding the Fourth Proportional to 191,001,200.90, 286,501,801.35 and 54,686,584.40

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Solution

The fourth proportional to 191,001,200.90, 286,501,801.35 and 54,686,584.40 is: 82,029,876.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,001,200.90 : 286,501,801.35 = 54,686,584.40 : x
  2. Step 2: Convert to fraction form
    191,001,200.90/286,501,801.35 = 54,686,584.40/x
  3. Step 3: Cross multiply
    191,001,200.90x = 286,501,801.35 × 54,686,584.40
  4. Step 4: Simplify right side
    191,001,200.90x = 15,667,804,940,278,810
  5. Step 5: Solve for x
    x = 15,667,804,940,278,810/191,001,200.90
  6. Step 6: Final answer
    x = 82,029,876.60

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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.