Home / 117,468,400.80-176,202,601.20-87,235,312.80

Finding the Fourth Proportional to 117,468,400.80, 176,202,601.20 and 87,235,312.80

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Solution

The fourth proportional to 117,468,400.80, 176,202,601.20 and 87,235,312.80 is: 130,852,969.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,468,400.80 : 176,202,601.20 = 87,235,312.80 : x
  2. Step 2: Convert to fraction form
    117,468,400.80/176,202,601.20 = 87,235,312.80/x
  3. Step 3: Cross multiply
    117,468,400.80x = 176,202,601.20 × 87,235,312.80
  4. Step 4: Simplify right side
    117,468,400.80x = 15,371,089,031,855,654
  5. Step 5: Solve for x
    x = 15,371,089,031,855,654/117,468,400.80
  6. Step 6: Final answer
    x = 130,852,969.20

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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.