Home / 288,129,566.03-432,059,793.86-103,872,774.83

Finding the Fourth Proportional to 288,129,566.03, 432,059,793.86 and 103,872,774.83

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Solution

The fourth proportional to 288,129,566.03, 432,059,793.86 and 103,872,774.83 is: 155,760,654.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,129,566.03 : 432,059,793.86 = 103,872,774.83 : x
  2. Step 2: Convert to fraction form
    288,129,566.03/432,059,793.86 = 103,872,774.83/x
  3. Step 3: Cross multiply
    288,129,566.03x = 432,059,793.86 × 103,872,774.83
  4. Step 4: Simplify right side
    288,129,566.03x = 44,879,249,678,036,336
  5. Step 5: Solve for x
    x = 44,879,249,678,036,336/288,129,566.03
  6. Step 6: Final answer
    x = 155,760,654.13

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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.