Home / 125,964,009.20-188,946,013.80-53,262,880.40

Finding the Fourth Proportional to 125,964,009.20, 188,946,013.80 and 53,262,880.40

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Solution

The fourth proportional to 125,964,009.20, 188,946,013.80 and 53,262,880.40 is: 79,894,320.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,964,009.20 : 188,946,013.80 = 53,262,880.40 : x
  2. Step 2: Convert to fraction form
    125,964,009.20/188,946,013.80 = 53,262,880.40/x
  3. Step 3: Cross multiply
    125,964,009.20x = 188,946,013.80 × 53,262,880.40
  4. Step 4: Simplify right side
    125,964,009.20x = 10,063,808,935,086,150
  5. Step 5: Solve for x
    x = 10,063,808,935,086,150/125,964,009.20
  6. Step 6: Final answer
    x = 79,894,320.60

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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.