Home / 260,064,897.23-390,037,651.45-155,049,954.96

Finding the Fourth Proportional to 260,064,897.23, 390,037,651.45 and 155,049,954.96

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Solution

The fourth proportional to 260,064,897.23, 390,037,651.45 and 155,049,954.96 is: 232,539,342.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,064,897.23 : 390,037,651.45 = 155,049,954.96 : x
  2. Step 2: Convert to fraction form
    260,064,897.23/390,037,651.45 = 155,049,954.96/x
  3. Step 3: Cross multiply
    260,064,897.23x = 390,037,651.45 × 155,049,954.96
  4. Step 4: Simplify right side
    260,064,897.23x = 60,475,320,290,026,680
  5. Step 5: Solve for x
    x = 60,475,320,290,026,680/260,064,897.23
  6. Step 6: Final answer
    x = 232,539,342.81

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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.