Home / 86,878,894.08-130,255,156.64-40,797,017.58

Finding the Fourth Proportional to 86,878,894.08, 130,255,156.64 and 40,797,017.58

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Solution

The fourth proportional to 86,878,894.08, 130,255,156.64 and 40,797,017.58 is: 61,165,855.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,878,894.08 : 130,255,156.64 = 40,797,017.58 : x
  2. Step 2: Convert to fraction form
    86,878,894.08/130,255,156.64 = 40,797,017.58/x
  3. Step 3: Cross multiply
    86,878,894.08x = 130,255,156.64 × 40,797,017.58
  4. Step 4: Simplify right side
    86,878,894.08x = 5,314,021,915,327,734
  5. Step 5: Solve for x
    x = 5,314,021,915,327,734/86,878,894.08
  6. Step 6: Final answer
    x = 61,165,855.89

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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.