Home / 127,739,748,651.10-176,242,582,848.43-73,544,903,870.90

Finding the Fourth Proportional to 127,739,748,651.10, 176,242,582,848.43 and 73,544,903,870.90

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Solution

The fourth proportional to 127,739,748,651.10, 176,242,582,848.43 and 73,544,903,870.90 is: 101,469,933,598.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,739,748,651.10 : 176,242,582,848.43 = 73,544,903,870.90 : x
  2. Step 2: Convert to fraction form
    127,739,748,651.10/176,242,582,848.43 = 73,544,903,870.90/x
  3. Step 3: Cross multiply
    127,739,748,651.10x = 176,242,582,848.43 × 73,544,903,870.90
  4. Step 4: Simplify right side
    127,739,748,651.10x = 12,961,743,813,546,031,972,352
  5. Step 5: Solve for x
    x = 12,961,743,813,546,031,972,352/127,739,748,651.10
  6. Step 6: Final answer
    x = 101,469,933,598.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.