Home / 286,248,697.84-429,321,929.24-76,160,591.20

Finding the Fourth Proportional to 286,248,697.84, 429,321,929.24 and 76,160,591.20

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Solution

The fourth proportional to 286,248,697.84, 429,321,929.24 and 76,160,591.20 is: 114,227,286.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,248,697.84 : 429,321,929.24 = 76,160,591.20 : x
  2. Step 2: Convert to fraction form
    286,248,697.84/429,321,929.24 = 76,160,591.20/x
  3. Step 3: Cross multiply
    286,248,697.84x = 429,321,929.24 × 76,160,591.20
  4. Step 4: Simplify right side
    286,248,697.84x = 32,697,411,946,042,968
  5. Step 5: Solve for x
    x = 32,697,411,946,042,968/286,248,697.84
  6. Step 6: Final answer
    x = 114,227,286.25

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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.