Home / 76,822,559.03-106,032,155.82-53,013,602.90

Finding the Fourth Proportional to 76,822,559.03, 106,032,155.82 and 53,013,602.90

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Solution

The fourth proportional to 76,822,559.03, 106,032,155.82 and 53,013,602.90 is: 73,170,520.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,822,559.03 : 106,032,155.82 = 53,013,602.90 : x
  2. Step 2: Convert to fraction form
    76,822,559.03/106,032,155.82 = 53,013,602.90/x
  3. Step 3: Cross multiply
    76,822,559.03x = 106,032,155.82 × 53,013,602.90
  4. Step 4: Simplify right side
    76,822,559.03x = 5,621,146,603,272,403
  5. Step 5: Solve for x
    x = 5,621,146,603,272,403/76,822,559.03
  6. Step 6: Final answer
    x = 73,170,520.15

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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.