Home / 155,020,743.60-232,531,115.40-77,536,645.80

Finding the Fourth Proportional to 155,020,743.60, 232,531,115.40 and 77,536,645.80

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Solution

The fourth proportional to 155,020,743.60, 232,531,115.40 and 77,536,645.80 is: 116,304,968.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,020,743.60 : 232,531,115.40 = 77,536,645.80 : x
  2. Step 2: Convert to fraction form
    155,020,743.60/232,531,115.40 = 77,536,645.80/x
  3. Step 3: Cross multiply
    155,020,743.60x = 232,531,115.40 × 77,536,645.80
  4. Step 4: Simplify right side
    155,020,743.60x = 18,029,682,732,248,724
  5. Step 5: Solve for x
    x = 18,029,682,732,248,724/155,020,743.60
  6. Step 6: Final answer
    x = 116,304,968.70

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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.