Home / 120,708,925.80-180,939,385.80-59,203,487.40

Finding the Fourth Proportional to 120,708,925.80, 180,939,385.80 and 59,203,487.40

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Solution

The fourth proportional to 120,708,925.80, 180,939,385.80 and 59,203,487.40 is: 88,744,412.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,708,925.80 : 180,939,385.80 = 59,203,487.40 : x
  2. Step 2: Convert to fraction form
    120,708,925.80/180,939,385.80 = 59,203,487.40/x
  3. Step 3: Cross multiply
    120,708,925.80x = 180,939,385.80 × 59,203,487.40
  4. Step 4: Simplify right side
    120,708,925.80x = 10,712,242,647,374,040
  5. Step 5: Solve for x
    x = 10,712,242,647,374,040/120,708,925.80
  6. Step 6: Final answer
    x = 88,744,412.03

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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.