Home / 136,870,926.52-188,818,564.38-121,205,915.32

Finding the Fourth Proportional to 136,870,926.52, 188,818,564.38 and 121,205,915.32

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Solution

The fourth proportional to 136,870,926.52, 188,818,564.38 and 121,205,915.32 is: 167,208,095.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,870,926.52 : 188,818,564.38 = 121,205,915.32 : x
  2. Step 2: Convert to fraction form
    136,870,926.52/188,818,564.38 = 121,205,915.32/x
  3. Step 3: Cross multiply
    136,870,926.52x = 188,818,564.38 × 121,205,915.32
  4. Step 4: Simplify right side
    136,870,926.52x = 22,885,926,925,086,248
  5. Step 5: Solve for x
    x = 22,885,926,925,086,248/136,870,926.52
  6. Step 6: Final answer
    x = 167,208,095.30

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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.