Home / 86,989,290.40-130,397,746.42-40,848,563

Finding the Fourth Proportional to 86,989,290.40, 130,397,746.42 and 40,848,563

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Solution

The fourth proportional to 86,989,290.40, 130,397,746.42 and 40,848,563 is: 61,232,371.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,989,290.40 : 130,397,746.42 = 40,848,563 : x
  2. Step 2: Convert to fraction form
    86,989,290.40/130,397,746.42 = 40,848,563/x
  3. Step 3: Cross multiply
    86,989,290.40x = 130,397,746.42 × 40,848,563
  4. Step 4: Simplify right side
    86,989,290.40x = 5,326,560,559,695,395
  5. Step 5: Solve for x
    x = 5,326,560,559,695,395/86,989,290.40
  6. Step 6: Final answer
    x = 61,232,371.65

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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.