Home / 127,776,870.60-191,665,305.90-120,218,598.60

Finding the Fourth Proportional to 127,776,870.60, 191,665,305.90 and 120,218,598.60

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Solution

The fourth proportional to 127,776,870.60, 191,665,305.90 and 120,218,598.60 is: 180,327,897.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,776,870.60 : 191,665,305.90 = 120,218,598.60 : x
  2. Step 2: Convert to fraction form
    127,776,870.60/191,665,305.90 = 120,218,598.60/x
  3. Step 3: Cross multiply
    127,776,870.60x = 191,665,305.90 × 120,218,598.60
  4. Step 4: Simplify right side
    127,776,870.60x = 23,041,734,475,538,312
  5. Step 5: Solve for x
    x = 23,041,734,475,538,312/127,776,870.60
  6. Step 6: Final answer
    x = 180,327,897.90

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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.