Home / 87,893,782.72-121,282,271.64-48,190,865.28

Finding the Fourth Proportional to 87,893,782.72, 121,282,271.64 and 48,190,865.28

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Solution

The fourth proportional to 87,893,782.72, 121,282,271.64 and 48,190,865.28 is: 66,497,281.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,893,782.72 : 121,282,271.64 = 48,190,865.28 : x
  2. Step 2: Convert to fraction form
    87,893,782.72/121,282,271.64 = 48,190,865.28/x
  3. Step 3: Cross multiply
    87,893,782.72x = 121,282,271.64 × 48,190,865.28
  4. Step 4: Simplify right side
    87,893,782.72x = 5,844,697,613,455,605
  5. Step 5: Solve for x
    x = 5,844,697,613,455,605/87,893,782.72
  6. Step 6: Final answer
    x = 66,497,281.52

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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.