Home / 86,912,286.40-130,368,429.60-26,328,012.40

Finding the Fourth Proportional to 86,912,286.40, 130,368,429.60 and 26,328,012.40

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Solution

The fourth proportional to 86,912,286.40, 130,368,429.60 and 26,328,012.40 is: 39,492,018.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,912,286.40 : 130,368,429.60 = 26,328,012.40 : x
  2. Step 2: Convert to fraction form
    86,912,286.40/130,368,429.60 = 26,328,012.40/x
  3. Step 3: Cross multiply
    86,912,286.40x = 130,368,429.60 × 26,328,012.40
  4. Step 4: Simplify right side
    86,912,286.40x = 3,432,341,631,077,326.50
  5. Step 5: Solve for x
    x = 3,432,341,631,077,326.50/86,912,286.40
  6. Step 6: Final answer
    x = 39,492,018.60

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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.