Home / 238,687,880.84-358,031,920.54-107,376,780.16

Finding the Fourth Proportional to 238,687,880.84, 358,031,920.54 and 107,376,780.16

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Solution

The fourth proportional to 238,687,880.84, 358,031,920.54 and 107,376,780.16 is: 161,065,214.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,687,880.84 : 358,031,920.54 = 107,376,780.16 : x
  2. Step 2: Convert to fraction form
    238,687,880.84/358,031,920.54 = 107,376,780.16/x
  3. Step 3: Cross multiply
    238,687,880.84x = 358,031,920.54 × 107,376,780.16
  4. Step 4: Simplify right side
    238,687,880.84x = 38,444,314,822,086,168
  5. Step 5: Solve for x
    x = 38,444,314,822,086,168/238,687,880.84
  6. Step 6: Final answer
    x = 161,065,214.90

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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.