Home / 85,536,047.40-128,304,071.10-34,454,725.80

Finding the Fourth Proportional to 85,536,047.40, 128,304,071.10 and 34,454,725.80

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Solution

The fourth proportional to 85,536,047.40, 128,304,071.10 and 34,454,725.80 is: 51,682,088.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,536,047.40 : 128,304,071.10 = 34,454,725.80 : x
  2. Step 2: Convert to fraction form
    85,536,047.40/128,304,071.10 = 34,454,725.80/x
  3. Step 3: Cross multiply
    85,536,047.40x = 128,304,071.10 × 34,454,725.80
  4. Step 4: Simplify right side
    85,536,047.40x = 4,420,681,588,774,204
  5. Step 5: Solve for x
    x = 4,420,681,588,774,204/85,536,047.40
  6. Step 6: Final answer
    x = 51,682,088.70

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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.