Home / 117,336,384.48-161,922,990.96-65,125,875.36

Finding the Fourth Proportional to 117,336,384.48, 161,922,990.96 and 65,125,875.36

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Solution

The fourth proportional to 117,336,384.48, 161,922,990.96 and 65,125,875.36 is: 89,873,031.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,336,384.48 : 161,922,990.96 = 65,125,875.36 : x
  2. Step 2: Convert to fraction form
    117,336,384.48/161,922,990.96 = 65,125,875.36/x
  3. Step 3: Cross multiply
    117,336,384.48x = 161,922,990.96 × 65,125,875.36
  4. Step 4: Simplify right side
    117,336,384.48x = 10,545,376,527,179,368
  5. Step 5: Solve for x
    x = 10,545,376,527,179,368/117,336,384.48
  6. Step 6: Final answer
    x = 89,873,031.06

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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.