Home / 136,693,206.40-205,039,809.60-55,887,318.40

Finding the Fourth Proportional to 136,693,206.40, 205,039,809.60 and 55,887,318.40

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Solution

The fourth proportional to 136,693,206.40, 205,039,809.60 and 55,887,318.40 is: 83,830,977.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,693,206.40 : 205,039,809.60 = 55,887,318.40 : x
  2. Step 2: Convert to fraction form
    136,693,206.40/205,039,809.60 = 55,887,318.40/x
  3. Step 3: Cross multiply
    136,693,206.40x = 205,039,809.60 × 55,887,318.40
  4. Step 4: Simplify right side
    136,693,206.40x = 11,459,125,123,790,576
  5. Step 5: Solve for x
    x = 11,459,125,123,790,576/136,693,206.40
  6. Step 6: Final answer
    x = 83,830,977.60

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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.