Home / 43,015,929.60-64,523,894.40-21,516,844.80

Finding the Fourth Proportional to 43,015,929.60, 64,523,894.40 and 21,516,844.80

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Solution

The fourth proportional to 43,015,929.60, 64,523,894.40 and 21,516,844.80 is: 32,275,267.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,015,929.60 : 64,523,894.40 = 21,516,844.80 : x
  2. Step 2: Convert to fraction form
    43,015,929.60/64,523,894.40 = 21,516,844.80/x
  3. Step 3: Cross multiply
    43,015,929.60x = 64,523,894.40 × 21,516,844.80
  4. Step 4: Simplify right side
    43,015,929.60x = 1,388,350,621,696,389.25
  5. Step 5: Solve for x
    x = 1,388,350,621,696,389.25/43,015,929.60
  6. Step 6: Final answer
    x = 32,275,267.20

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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.