Home / 255,636,108.60-382,698,335.70-240,687,526.20

Finding the Fourth Proportional to 255,636,108.60, 382,698,335.70 and 240,687,526.20

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Solution

The fourth proportional to 255,636,108.60, 382,698,335.70 and 240,687,526.20 is: 360,319,659.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,636,108.60 : 382,698,335.70 = 240,687,526.20 : x
  2. Step 2: Convert to fraction form
    255,636,108.60/382,698,335.70 = 240,687,526.20/x
  3. Step 3: Cross multiply
    255,636,108.60x = 382,698,335.70 × 240,687,526.20
  4. Step 4: Simplify right side
    255,636,108.60x = 92,110,715,700,490,144
  5. Step 5: Solve for x
    x = 92,110,715,700,490,144/255,636,108.60
  6. Step 6: Final answer
    x = 360,319,659.87

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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.