Home / 162,845,289.60-244,267,934.40-86,317,785.60

Finding the Fourth Proportional to 162,845,289.60, 244,267,934.40 and 86,317,785.60

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Solution

The fourth proportional to 162,845,289.60, 244,267,934.40 and 86,317,785.60 is: 129,476,678.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,845,289.60 : 244,267,934.40 = 86,317,785.60 : x
  2. Step 2: Convert to fraction form
    162,845,289.60/244,267,934.40 = 86,317,785.60/x
  3. Step 3: Cross multiply
    162,845,289.60x = 244,267,934.40 × 86,317,785.60
  4. Step 4: Simplify right side
    162,845,289.60x = 21,084,667,190,494,064
  5. Step 5: Solve for x
    x = 21,084,667,190,494,064/162,845,289.60
  6. Step 6: Final answer
    x = 129,476,678.40

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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.