Home / 248,697,849.60-373,046,774.40-78,496,761.60

Finding the Fourth Proportional to 248,697,849.60, 373,046,774.40 and 78,496,761.60

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Solution

The fourth proportional to 248,697,849.60, 373,046,774.40 and 78,496,761.60 is: 117,745,142.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,697,849.60 : 373,046,774.40 = 78,496,761.60 : x
  2. Step 2: Convert to fraction form
    248,697,849.60/373,046,774.40 = 78,496,761.60/x
  3. Step 3: Cross multiply
    248,697,849.60x = 373,046,774.40 × 78,496,761.60
  4. Step 4: Simplify right side
    248,697,849.60x = 29,282,963,715,725,780
  5. Step 5: Solve for x
    x = 29,282,963,715,725,780/248,697,849.60
  6. Step 6: Final answer
    x = 117,745,142.40

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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.