Home / 180,248,192.40-270,405,947.76-81,886,805.40

Finding the Fourth Proportional to 180,248,192.40, 270,405,947.76 and 81,886,805.40

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Solution

The fourth proportional to 180,248,192.40, 270,405,947.76 and 81,886,805.40 is: 122,845,499.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,248,192.40 : 270,405,947.76 = 81,886,805.40 : x
  2. Step 2: Convert to fraction form
    180,248,192.40/270,405,947.76 = 81,886,805.40/x
  3. Step 3: Cross multiply
    180,248,192.40x = 270,405,947.76 × 81,886,805.40
  4. Step 4: Simplify right side
    180,248,192.40x = 22,142,679,223,225,688
  5. Step 5: Solve for x
    x = 22,142,679,223,225,688/180,248,192.40
  6. Step 6: Final answer
    x = 122,845,499.47

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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.