Home / 141,182,513.20-211,773,769.80-64,655,009.20

Finding the Fourth Proportional to 141,182,513.20, 211,773,769.80 and 64,655,009.20

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Solution

The fourth proportional to 141,182,513.20, 211,773,769.80 and 64,655,009.20 is: 96,982,513.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,182,513.20 : 211,773,769.80 = 64,655,009.20 : x
  2. Step 2: Convert to fraction form
    141,182,513.20/211,773,769.80 = 64,655,009.20/x
  3. Step 3: Cross multiply
    141,182,513.20x = 211,773,769.80 × 64,655,009.20
  4. Step 4: Simplify right side
    141,182,513.20x = 13,692,235,034,737,684
  5. Step 5: Solve for x
    x = 13,692,235,034,737,684/141,182,513.20
  6. Step 6: Final answer
    x = 96,982,513.80

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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.