Home / 140,652,331.40-211,015,821.90-49,766,443.40

Finding the Fourth Proportional to 140,652,331.40, 211,015,821.90 and 49,766,443.40

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Solution

The fourth proportional to 140,652,331.40, 211,015,821.90 and 49,766,443.40 is: 74,662,871.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,652,331.40 : 211,015,821.90 = 49,766,443.40 : x
  2. Step 2: Convert to fraction form
    140,652,331.40/211,015,821.90 = 49,766,443.40/x
  3. Step 3: Cross multiply
    140,652,331.40x = 211,015,821.90 × 49,766,443.40
  4. Step 4: Simplify right side
    140,652,331.40x = 10,501,506,957,090,830
  5. Step 5: Solve for x
    x = 10,501,506,957,090,830/140,652,331.40
  6. Step 6: Final answer
    x = 74,662,871.58

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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.