Home / 177,129,538.40-265,694,307.60-156,974,146.40

Finding the Fourth Proportional to 177,129,538.40, 265,694,307.60 and 156,974,146.40

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Solution

The fourth proportional to 177,129,538.40, 265,694,307.60 and 156,974,146.40 is: 235,461,219.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,129,538.40 : 265,694,307.60 = 156,974,146.40 : x
  2. Step 2: Convert to fraction form
    177,129,538.40/265,694,307.60 = 156,974,146.40/x
  3. Step 3: Cross multiply
    177,129,538.40x = 265,694,307.60 × 156,974,146.40
  4. Step 4: Simplify right side
    177,129,538.40x = 41,707,137,138,849,032
  5. Step 5: Solve for x
    x = 41,707,137,138,849,032/177,129,538.40
  6. Step 6: Final answer
    x = 235,461,219.60

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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.