Home / 215,079,444,902.40-322,619,167,353.60-136,908,772,569.60

Finding the Fourth Proportional to 215,079,444,902.40, 322,619,167,353.60 and 136,908,772,569.60

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Solution

The fourth proportional to 215,079,444,902.40, 322,619,167,353.60 and 136,908,772,569.60 is: 205,363,158,854.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,079,444,902.40 : 322,619,167,353.60 = 136,908,772,569.60 : x
  2. Step 2: Convert to fraction form
    215,079,444,902.40/322,619,167,353.60 = 136,908,772,569.60/x
  3. Step 3: Cross multiply
    215,079,444,902.40x = 322,619,167,353.60 × 136,908,772,569.60
  4. Step 4: Simplify right side
    215,079,444,902.40x = 44,169,394,209,807,742,795,776
  5. Step 5: Solve for x
    x = 44,169,394,209,807,742,795,776/215,079,444,902.40
  6. Step 6: Final answer
    x = 205,363,158,854.40

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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.