Home / 267,584,011.80-401,376,017.70-85,849,560.60

Finding the Fourth Proportional to 267,584,011.80, 401,376,017.70 and 85,849,560.60

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Solution

The fourth proportional to 267,584,011.80, 401,376,017.70 and 85,849,560.60 is: 128,774,340.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,584,011.80 : 401,376,017.70 = 85,849,560.60 : x
  2. Step 2: Convert to fraction form
    267,584,011.80/401,376,017.70 = 85,849,560.60/x
  3. Step 3: Cross multiply
    267,584,011.80x = 401,376,017.70 × 85,849,560.60
  4. Step 4: Simplify right side
    267,584,011.80x = 34,457,954,754,922,820
  5. Step 5: Solve for x
    x = 34,457,954,754,922,820/267,584,011.80
  6. Step 6: Final answer
    x = 128,774,340.90

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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.