Home / 134,286,320,921.54-185,331,372,937.18-76,428,767,970.50

Finding the Fourth Proportional to 134,286,320,921.54, 185,331,372,937.18 and 76,428,767,970.50

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Solution

The fourth proportional to 134,286,320,921.54, 185,331,372,937.18 and 76,428,767,970.50 is: 105,480,948,488.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,286,320,921.54 : 185,331,372,937.18 = 76,428,767,970.50 : x
  2. Step 2: Convert to fraction form
    134,286,320,921.54/185,331,372,937.18 = 76,428,767,970.50/x
  3. Step 3: Cross multiply
    134,286,320,921.54x = 185,331,372,937.18 × 76,428,767,970.50
  4. Step 4: Simplify right side
    134,286,320,921.54x = 14,164,648,499,869,005,119,488
  5. Step 5: Solve for x
    x = 14,164,648,499,869,005,119,488/134,286,320,921.54
  6. Step 6: Final answer
    x = 105,480,948,488.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.