Home / 157,077,013.60-235,536,677.52-91,519,372

Finding the Fourth Proportional to 157,077,013.60, 235,536,677.52 and 91,519,372

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Solution

The fourth proportional to 157,077,013.60, 235,536,677.52 and 91,519,372 is: 137,233,120.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,077,013.60 : 235,536,677.52 = 91,519,372 : x
  2. Step 2: Convert to fraction form
    157,077,013.60/235,536,677.52 = 91,519,372/x
  3. Step 3: Cross multiply
    157,077,013.60x = 235,536,677.52 × 91,519,372
  4. Step 4: Simplify right side
    157,077,013.60x = 21,556,168,809,596,920
  5. Step 5: Solve for x
    x = 21,556,168,809,596,920/157,077,013.60
  6. Step 6: Final answer
    x = 137,233,120.97

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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.