Home / 143,548,854.60-215,323,281.90-133,345,187.40

Finding the Fourth Proportional to 143,548,854.60, 215,323,281.90 and 133,345,187.40

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Solution

The fourth proportional to 143,548,854.60, 215,323,281.90 and 133,345,187.40 is: 200,017,781.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,548,854.60 : 215,323,281.90 = 133,345,187.40 : x
  2. Step 2: Convert to fraction form
    143,548,854.60/215,323,281.90 = 133,345,187.40/x
  3. Step 3: Cross multiply
    143,548,854.60x = 215,323,281.90 × 133,345,187.40
  4. Step 4: Simplify right side
    143,548,854.60x = 28,712,323,376,538,532
  5. Step 5: Solve for x
    x = 28,712,323,376,538,532/143,548,854.60
  6. Step 6: Final answer
    x = 200,017,781.10

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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.