Home / 84,993,238.84-127,515,876.96-43,523,477.20

Finding the Fourth Proportional to 84,993,238.84, 127,515,876.96 and 43,523,477.20

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Solution

The fourth proportional to 84,993,238.84, 127,515,876.96 and 43,523,477.20 is: 65,298,539.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,993,238.84 : 127,515,876.96 = 43,523,477.20 : x
  2. Step 2: Convert to fraction form
    84,993,238.84/127,515,876.96 = 43,523,477.20/x
  3. Step 3: Cross multiply
    84,993,238.84x = 127,515,876.96 × 43,523,477.20
  4. Step 4: Simplify right side
    84,993,238.84x = 5,549,934,363,506,565
  5. Step 5: Solve for x
    x = 5,549,934,363,506,565/84,993,238.84
  6. Step 6: Final answer
    x = 65,298,539.50

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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.