Home / 255,838,209.40-383,784,196.38-83,328,456.16

Finding the Fourth Proportional to 255,838,209.40, 383,784,196.38 and 83,328,456.16

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Solution

The fourth proportional to 255,838,209.40, 383,784,196.38 and 83,328,456.16 is: 125,001,440.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,838,209.40 : 383,784,196.38 = 83,328,456.16 : x
  2. Step 2: Convert to fraction form
    255,838,209.40/383,784,196.38 = 83,328,456.16/x
  3. Step 3: Cross multiply
    255,838,209.40x = 383,784,196.38 × 83,328,456.16
  4. Step 4: Simplify right side
    255,838,209.40x = 31,980,144,582,951,660
  5. Step 5: Solve for x
    x = 31,980,144,582,951,660/255,838,209.40
  6. Step 6: Final answer
    x = 125,001,440.00

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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.