Home / 112,338,311.04-168,495,394.26-76,178,802.96

Finding the Fourth Proportional to 112,338,311.04, 168,495,394.26 and 76,178,802.96

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Solution

The fourth proportional to 112,338,311.04, 168,495,394.26 and 76,178,802.96 is: 114,260,017.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,338,311.04 : 168,495,394.26 = 76,178,802.96 : x
  2. Step 2: Convert to fraction form
    112,338,311.04/168,495,394.26 = 76,178,802.96/x
  3. Step 3: Cross multiply
    112,338,311.04x = 168,495,394.26 × 76,178,802.96
  4. Step 4: Simplify right side
    112,338,311.04x = 12,835,777,439,000,054
  5. Step 5: Solve for x
    x = 12,835,777,439,000,054/112,338,311.04
  6. Step 6: Final answer
    x = 114,260,017.98

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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.