Home / 240,905,829.40-360,960,612.90-205,074,021.40

Finding the Fourth Proportional to 240,905,829.40, 360,960,612.90 and 205,074,021.40

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Solution

The fourth proportional to 240,905,829.40, 360,960,612.90 and 205,074,021.40 is: 307,272,118.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,905,829.40 : 360,960,612.90 = 205,074,021.40 : x
  2. Step 2: Convert to fraction form
    240,905,829.40/360,960,612.90 = 205,074,021.40/x
  3. Step 3: Cross multiply
    240,905,829.40x = 360,960,612.90 × 205,074,021.40
  4. Step 4: Simplify right side
    240,905,829.40x = 74,023,644,454,411,712
  5. Step 5: Solve for x
    x = 74,023,644,454,411,712/240,905,829.40
  6. Step 6: Final answer
    x = 307,272,118.07

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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.