Home / 115,143,165.72-158,893,249.32-62,931,777.48

Finding the Fourth Proportional to 115,143,165.72, 158,893,249.32 and 62,931,777.48

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Solution

The fourth proportional to 115,143,165.72, 158,893,249.32 and 62,931,777.48 is: 86,843,492.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,143,165.72 : 158,893,249.32 = 62,931,777.48 : x
  2. Step 2: Convert to fraction form
    115,143,165.72/158,893,249.32 = 62,931,777.48/x
  3. Step 3: Cross multiply
    115,143,165.72x = 158,893,249.32 × 62,931,777.48
  4. Step 4: Simplify right side
    115,143,165.72x = 9,999,434,609,280,400
  5. Step 5: Solve for x
    x = 9,999,434,609,280,400/115,143,165.72
  6. Step 6: Final answer
    x = 86,843,492.16

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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.