Home / 265,824,125.20-398,736,187.80-156,537,110.80

Finding the Fourth Proportional to 265,824,125.20, 398,736,187.80 and 156,537,110.80

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Solution

The fourth proportional to 265,824,125.20, 398,736,187.80 and 156,537,110.80 is: 234,805,666.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,824,125.20 : 398,736,187.80 = 156,537,110.80 : x
  2. Step 2: Convert to fraction form
    265,824,125.20/398,736,187.80 = 156,537,110.80/x
  3. Step 3: Cross multiply
    265,824,125.20x = 398,736,187.80 × 156,537,110.80
  4. Step 4: Simplify right side
    265,824,125.20x = 62,417,010,809,618,216
  5. Step 5: Solve for x
    x = 62,417,010,809,618,216/265,824,125.20
  6. Step 6: Final answer
    x = 234,805,666.20

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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.