Home / 123,185,368.53-169,980,775.98-98,131,287.87

Finding the Fourth Proportional to 123,185,368.53, 169,980,775.98 and 98,131,287.87

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Solution

The fourth proportional to 123,185,368.53, 169,980,775.98 and 98,131,287.87 is: 135,409,202.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,185,368.53 : 169,980,775.98 = 98,131,287.87 : x
  2. Step 2: Convert to fraction form
    123,185,368.53/169,980,775.98 = 98,131,287.87/x
  3. Step 3: Cross multiply
    123,185,368.53x = 169,980,775.98 × 98,131,287.87
  4. Step 4: Simplify right side
    123,185,368.53x = 16,680,432,460,059,362
  5. Step 5: Solve for x
    x = 16,680,432,460,059,362/123,185,368.53
  6. Step 6: Final answer
    x = 135,409,202.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.