Home / 157,026,011.64-216,685,456.20-87,409,602.60

Finding the Fourth Proportional to 157,026,011.64, 216,685,456.20 and 87,409,602.60

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Solution

The fourth proportional to 157,026,011.64, 216,685,456.20 and 87,409,602.60 is: 120,619,440.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,026,011.64 : 216,685,456.20 = 87,409,602.60 : x
  2. Step 2: Convert to fraction form
    157,026,011.64/216,685,456.20 = 87,409,602.60/x
  3. Step 3: Cross multiply
    157,026,011.64x = 216,685,456.20 × 87,409,602.60
  4. Step 4: Simplify right side
    157,026,011.64x = 18,940,389,615,641,704
  5. Step 5: Solve for x
    x = 18,940,389,615,641,704/157,026,011.64
  6. Step 6: Final answer
    x = 120,619,440.17

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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.