Home / 112,051,648.60-168,077,472.90-79,173,165.40

Finding the Fourth Proportional to 112,051,648.60, 168,077,472.90 and 79,173,165.40

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Solution

The fourth proportional to 112,051,648.60, 168,077,472.90 and 79,173,165.40 is: 118,759,748.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,051,648.60 : 168,077,472.90 = 79,173,165.40 : x
  2. Step 2: Convert to fraction form
    112,051,648.60/168,077,472.90 = 79,173,165.40/x
  3. Step 3: Cross multiply
    112,051,648.60x = 168,077,472.90 × 79,173,165.40
  4. Step 4: Simplify right side
    112,051,648.60x = 13,307,225,561,925,720
  5. Step 5: Solve for x
    x = 13,307,225,561,925,720/112,051,648.60
  6. Step 6: Final answer
    x = 118,759,748.10

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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.