Home / 102,912,729.60-154,223,964.80-56,875,329.84

Finding the Fourth Proportional to 102,912,729.60, 154,223,964.80 and 56,875,329.84

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Solution

The fourth proportional to 102,912,729.60, 154,223,964.80 and 56,875,329.84 is: 85,232,788.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,912,729.60 : 154,223,964.80 = 56,875,329.84 : x
  2. Step 2: Convert to fraction form
    102,912,729.60/154,223,964.80 = 56,875,329.84/x
  3. Step 3: Cross multiply
    102,912,729.60x = 154,223,964.80 × 56,875,329.84
  4. Step 4: Simplify right side
    102,912,729.60x = 8,771,538,867,232,551
  5. Step 5: Solve for x
    x = 8,771,538,867,232,551/102,912,729.60
  6. Step 6: Final answer
    x = 85,232,788.03

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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.