Home / 120,580,667.20-180,871,000.80-63,090,560.80

Finding the Fourth Proportional to 120,580,667.20, 180,871,000.80 and 63,090,560.80

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Solution

The fourth proportional to 120,580,667.20, 180,871,000.80 and 63,090,560.80 is: 94,635,841.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,580,667.20 : 180,871,000.80 = 63,090,560.80 : x
  2. Step 2: Convert to fraction form
    120,580,667.20/180,871,000.80 = 63,090,560.80/x
  3. Step 3: Cross multiply
    120,580,667.20x = 180,871,000.80 × 63,090,560.80
  4. Step 4: Simplify right side
    120,580,667.20x = 11,411,252,872,929,248
  5. Step 5: Solve for x
    x = 11,411,252,872,929,248/120,580,667.20
  6. Step 6: Final answer
    x = 94,635,841.20

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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.