Home / 117,422,245.80-176,133,368.70-86,811,244.20

Finding the Fourth Proportional to 117,422,245.80, 176,133,368.70 and 86,811,244.20

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Solution

The fourth proportional to 117,422,245.80, 176,133,368.70 and 86,811,244.20 is: 130,216,866.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,422,245.80 : 176,133,368.70 = 86,811,244.20 : x
  2. Step 2: Convert to fraction form
    117,422,245.80/176,133,368.70 = 86,811,244.20/x
  3. Step 3: Cross multiply
    117,422,245.80x = 176,133,368.70 × 86,811,244.20
  4. Step 4: Simplify right side
    117,422,245.80x = 15,290,356,881,984,336
  5. Step 5: Solve for x
    x = 15,290,356,881,984,336/117,422,245.80
  6. Step 6: Final answer
    x = 130,216,866.30

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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.