Home / 209,307,863.56-288,844,852.02-116,510,293.48

Finding the Fourth Proportional to 209,307,863.56, 288,844,852.02 and 116,510,293.48

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Solution

The fourth proportional to 209,307,863.56, 288,844,852.02 and 116,510,293.48 is: 160,784,205.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,307,863.56 : 288,844,852.02 = 116,510,293.48 : x
  2. Step 2: Convert to fraction form
    209,307,863.56/288,844,852.02 = 116,510,293.48/x
  3. Step 3: Cross multiply
    209,307,863.56x = 288,844,852.02 × 116,510,293.48
  4. Step 4: Simplify right side
    209,307,863.56x = 33,653,398,479,037,368
  5. Step 5: Solve for x
    x = 33,653,398,479,037,368/209,307,863.56
  6. Step 6: Final answer
    x = 160,784,205.17

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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.