Home / 210,029,488.80-314,540,348.40-102,198,141.60

Finding the Fourth Proportional to 210,029,488.80, 314,540,348.40 and 102,198,141.60

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Solution

The fourth proportional to 210,029,488.80, 314,540,348.40 and 102,198,141.60 is: 153,052,027.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,029,488.80 : 314,540,348.40 = 102,198,141.60 : x
  2. Step 2: Convert to fraction form
    210,029,488.80/314,540,348.40 = 102,198,141.60/x
  3. Step 3: Cross multiply
    210,029,488.80x = 314,540,348.40 × 102,198,141.60
  4. Step 4: Simplify right side
    210,029,488.80x = 32,145,439,064,696,528
  5. Step 5: Solve for x
    x = 32,145,439,064,696,528/210,029,488.80
  6. Step 6: Final answer
    x = 153,052,027.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.