Home / 84,814,957.22-117,049,640.40-63,870,036.98

Finding the Fourth Proportional to 84,814,957.22, 117,049,640.40 and 63,870,036.98

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Solution

The fourth proportional to 84,814,957.22, 117,049,640.40 and 63,870,036.98 is: 88,144,415.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,814,957.22 : 117,049,640.40 = 63,870,036.98 : x
  2. Step 2: Convert to fraction form
    84,814,957.22/117,049,640.40 = 63,870,036.98/x
  3. Step 3: Cross multiply
    84,814,957.22x = 117,049,640.40 × 63,870,036.98
  4. Step 4: Simplify right side
    84,814,957.22x = 7,475,964,860,258,454
  5. Step 5: Solve for x
    x = 7,475,964,860,258,454/84,814,957.22
  6. Step 6: Final answer
    x = 88,144,415.86

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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.