Home / 148,109,548.18-204,392,678.52-89,360,862.16

Finding the Fourth Proportional to 148,109,548.18, 204,392,678.52 and 89,360,862.16

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Solution

The fourth proportional to 148,109,548.18, 204,392,678.52 and 89,360,862.16 is: 123,318,896.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,109,548.18 : 204,392,678.52 = 89,360,862.16 : x
  2. Step 2: Convert to fraction form
    148,109,548.18/204,392,678.52 = 89,360,862.16/x
  3. Step 3: Cross multiply
    148,109,548.18x = 204,392,678.52 × 89,360,862.16
  4. Step 4: Simplify right side
    148,109,548.18x = 18,264,705,971,738,912
  5. Step 5: Solve for x
    x = 18,264,705,971,738,912/148,109,548.18
  6. Step 6: Final answer
    x = 123,318,896.02

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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.