Home / 43,162,543.60-64,743,815.40-21,663,458.80

Finding the Fourth Proportional to 43,162,543.60, 64,743,815.40 and 21,663,458.80

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Solution

The fourth proportional to 43,162,543.60, 64,743,815.40 and 21,663,458.80 is: 32,495,188.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,162,543.60 : 64,743,815.40 = 21,663,458.80 : x
  2. Step 2: Convert to fraction form
    43,162,543.60/64,743,815.40 = 21,663,458.80/x
  3. Step 3: Cross multiply
    43,162,543.60x = 64,743,815.40 × 21,663,458.80
  4. Step 4: Simplify right side
    43,162,543.60x = 1,402,574,977,472,705.50
  5. Step 5: Solve for x
    x = 1,402,574,977,472,705.50/43,162,543.60
  6. Step 6: Final answer
    x = 32,495,188.20

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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.