Home / 120,708,922.80-180,939,381.30-59,203,484.40

Finding the Fourth Proportional to 120,708,922.80, 180,939,381.30 and 59,203,484.40

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Solution

The fourth proportional to 120,708,922.80, 180,939,381.30 and 59,203,484.40 is: 88,744,407.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,708,922.80 : 180,939,381.30 = 59,203,484.40 : x
  2. Step 2: Convert to fraction form
    120,708,922.80/180,939,381.30 = 59,203,484.40/x
  3. Step 3: Cross multiply
    120,708,922.80x = 180,939,381.30 × 59,203,484.40
  4. Step 4: Simplify right side
    120,708,922.80x = 10,712,241,838,140,202
  5. Step 5: Solve for x
    x = 10,712,241,838,140,202/120,708,922.80
  6. Step 6: Final answer
    x = 88,744,407.54

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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.