Home / 163,334,687.55-245,002,031.33-126,346,393.95

Finding the Fourth Proportional to 163,334,687.55, 245,002,031.33 and 126,346,393.95

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Solution

The fourth proportional to 163,334,687.55, 245,002,031.33 and 126,346,393.95 is: 189,519,590.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,334,687.55 : 245,002,031.33 = 126,346,393.95 : x
  2. Step 2: Convert to fraction form
    163,334,687.55/245,002,031.33 = 126,346,393.95/x
  3. Step 3: Cross multiply
    163,334,687.55x = 245,002,031.33 × 126,346,393.95
  4. Step 4: Simplify right side
    163,334,687.55x = 30,955,123,168,338,688
  5. Step 5: Solve for x
    x = 30,955,123,168,338,688/163,334,687.55
  6. Step 6: Final answer
    x = 189,519,590.93

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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.