Home / 109,107,071.10-163,660,606.65-105,280,695.90

Finding the Fourth Proportional to 109,107,071.10, 163,660,606.65 and 105,280,695.90

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Solution

The fourth proportional to 109,107,071.10, 163,660,606.65 and 105,280,695.90 is: 157,921,043.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,107,071.10 : 163,660,606.65 = 105,280,695.90 : x
  2. Step 2: Convert to fraction form
    109,107,071.10/163,660,606.65 = 105,280,695.90/x
  3. Step 3: Cross multiply
    109,107,071.10x = 163,660,606.65 × 105,280,695.90
  4. Step 4: Simplify right side
    109,107,071.10x = 17,230,302,559,528,170
  5. Step 5: Solve for x
    x = 17,230,302,559,528,170/109,107,071.10
  6. Step 6: Final answer
    x = 157,921,043.85

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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.