Home / 149,020,291.30-223,530,436.95-126,345,475.30

Finding the Fourth Proportional to 149,020,291.30, 223,530,436.95 and 126,345,475.30

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Solution

The fourth proportional to 149,020,291.30, 223,530,436.95 and 126,345,475.30 is: 189,518,212.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,020,291.30 : 223,530,436.95 = 126,345,475.30 : x
  2. Step 2: Convert to fraction form
    149,020,291.30/223,530,436.95 = 126,345,475.30/x
  3. Step 3: Cross multiply
    149,020,291.30x = 223,530,436.95 × 126,345,475.30
  4. Step 4: Simplify right side
    149,020,291.30x = 28,242,059,300,464,432
  5. Step 5: Solve for x
    x = 28,242,059,300,464,432/149,020,291.30
  6. Step 6: Final answer
    x = 189,518,212.95

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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.