Home / 112,047,415.30-168,071,122.95-68,776,308.10

Finding the Fourth Proportional to 112,047,415.30, 168,071,122.95 and 68,776,308.10

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Solution

The fourth proportional to 112,047,415.30, 168,071,122.95 and 68,776,308.10 is: 103,164,462.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,047,415.30 : 168,071,122.95 = 68,776,308.10 : x
  2. Step 2: Convert to fraction form
    112,047,415.30/168,071,122.95 = 68,776,308.10/x
  3. Step 3: Cross multiply
    112,047,415.30x = 168,071,122.95 × 68,776,308.10
  4. Step 4: Simplify right side
    112,047,415.30x = 11,559,311,334,722,180
  5. Step 5: Solve for x
    x = 11,559,311,334,722,180/112,047,415.30
  6. Step 6: Final answer
    x = 103,164,462.15

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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.