Home / 256,023,089.01-383,879,117.66-100,390,446.45

Finding the Fourth Proportional to 256,023,089.01, 383,879,117.66 and 100,390,446.45

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Solution

The fourth proportional to 256,023,089.01, 383,879,117.66 and 100,390,446.45 is: 150,524,689.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,023,089.01 : 383,879,117.66 = 100,390,446.45 : x
  2. Step 2: Convert to fraction form
    256,023,089.01/383,879,117.66 = 100,390,446.45/x
  3. Step 3: Cross multiply
    256,023,089.01x = 383,879,117.66 × 100,390,446.45
  4. Step 4: Simplify right side
    256,023,089.01x = 38,537,796,004,217,528
  5. Step 5: Solve for x
    x = 38,537,796,004,217,528/256,023,089.01
  6. Step 6: Final answer
    x = 150,524,689.60

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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.