Home / 79,869,117.31-119,841,616.50-55,314,830.35

Finding the Fourth Proportional to 79,869,117.31, 119,841,616.50 and 55,314,830.35

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Solution

The fourth proportional to 79,869,117.31, 119,841,616.50 and 55,314,830.35 is: 82,998,521.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,869,117.31 : 119,841,616.50 = 55,314,830.35 : x
  2. Step 2: Convert to fraction form
    79,869,117.31/119,841,616.50 = 55,314,830.35/x
  3. Step 3: Cross multiply
    79,869,117.31x = 119,841,616.50 × 55,314,830.35
  4. Step 4: Simplify right side
    79,869,117.31x = 6,629,018,685,567,261
  5. Step 5: Solve for x
    x = 6,629,018,685,567,261/79,869,117.31
  6. Step 6: Final answer
    x = 82,998,521.94

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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.