Home / 151,706,516.25-209,355,547.55-82,091,897.85

Finding the Fourth Proportional to 151,706,516.25, 209,355,547.55 and 82,091,897.85

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Solution

The fourth proportional to 151,706,516.25, 209,355,547.55 and 82,091,897.85 is: 113,287,119.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,706,516.25 : 209,355,547.55 = 82,091,897.85 : x
  2. Step 2: Convert to fraction form
    151,706,516.25/209,355,547.55 = 82,091,897.85/x
  3. Step 3: Cross multiply
    151,706,516.25x = 209,355,547.55 × 82,091,897.85
  4. Step 4: Simplify right side
    151,706,516.25x = 17,186,394,223,805,418
  5. Step 5: Solve for x
    x = 17,186,394,223,805,418/151,706,516.25
  6. Step 6: Final answer
    x = 113,287,119.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.