Home / 139,711,392,003.30-209,567,088,004.95-55,823,642,729.70

Finding the Fourth Proportional to 139,711,392,003.30, 209,567,088,004.95 and 55,823,642,729.70

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Solution

The fourth proportional to 139,711,392,003.30, 209,567,088,004.95 and 55,823,642,729.70 is: 83,735,464,094.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,711,392,003.30 : 209,567,088,004.95 = 55,823,642,729.70 : x
  2. Step 2: Convert to fraction form
    139,711,392,003.30/209,567,088,004.95 = 55,823,642,729.70/x
  3. Step 3: Cross multiply
    139,711,392,003.30x = 209,567,088,004.95 × 55,823,642,729.70
  4. Step 4: Simplify right side
    139,711,392,003.30x = 11,698,798,248,691,926,827,008
  5. Step 5: Solve for x
    x = 11,698,798,248,691,926,827,008/139,711,392,003.30
  6. Step 6: Final answer
    x = 83,735,464,094.55

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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.