Home / 168,332,959.76-252,276,219.83-86,448,530.48

Finding the Fourth Proportional to 168,332,959.76, 252,276,219.83 and 86,448,530.48

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Solution

The fourth proportional to 168,332,959.76, 252,276,219.83 and 86,448,530.48 is: 129,558,159.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,332,959.76 : 252,276,219.83 = 86,448,530.48 : x
  2. Step 2: Convert to fraction form
    168,332,959.76/252,276,219.83 = 86,448,530.48/x
  3. Step 3: Cross multiply
    168,332,959.76x = 252,276,219.83 × 86,448,530.48
  4. Step 4: Simplify right side
    168,332,959.76x = 21,808,908,478,307,676
  5. Step 5: Solve for x
    x = 21,808,908,478,307,676/168,332,959.76
  6. Step 6: Final answer
    x = 129,558,159.67

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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.