Home / 84,920,557.10-127,191,878.85-69,804,013.10

Finding the Fourth Proportional to 84,920,557.10, 127,191,878.85 and 69,804,013.10

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Solution

The fourth proportional to 84,920,557.10, 127,191,878.85 and 69,804,013.10 is: 104,550,698.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,920,557.10 : 127,191,878.85 = 69,804,013.10 : x
  2. Step 2: Convert to fraction form
    84,920,557.10/127,191,878.85 = 69,804,013.10/x
  3. Step 3: Cross multiply
    84,920,557.10x = 127,191,878.85 × 69,804,013.10
  4. Step 4: Simplify right side
    84,920,557.10x = 8,878,503,577,459,012
  5. Step 5: Solve for x
    x = 8,878,503,577,459,012/84,920,557.10
  6. Step 6: Final answer
    x = 104,550,698.68

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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.