Home / 357,337,336.78-535,776,599.70-138,754,767.74

Finding the Fourth Proportional to 357,337,336.78, 535,776,599.70 and 138,754,767.74

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Solution

The fourth proportional to 357,337,336.78, 535,776,599.70 and 138,754,767.74 is: 208,043,073.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,337,336.78 : 535,776,599.70 = 138,754,767.74 : x
  2. Step 2: Convert to fraction form
    357,337,336.78/535,776,599.70 = 138,754,767.74/x
  3. Step 3: Cross multiply
    357,337,336.78x = 535,776,599.70 × 138,754,767.74
  4. Step 4: Simplify right side
    357,337,336.78x = 74,341,557,651,900,464
  5. Step 5: Solve for x
    x = 74,341,557,651,900,464/357,337,336.78
  6. Step 6: Final answer
    x = 208,043,073.03

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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.