Home / 86,936,068.40-130,404,102.60-26,343,921.20

Finding the Fourth Proportional to 86,936,068.40, 130,404,102.60 and 26,343,921.20

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Solution

The fourth proportional to 86,936,068.40, 130,404,102.60 and 26,343,921.20 is: 39,515,881.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,936,068.40 : 130,404,102.60 = 26,343,921.20 : x
  2. Step 2: Convert to fraction form
    86,936,068.40/130,404,102.60 = 26,343,921.20/x
  3. Step 3: Cross multiply
    86,936,068.40x = 130,404,102.60 × 26,343,921.20
  4. Step 4: Simplify right side
    86,936,068.40x = 3,435,355,403,051,115
  5. Step 5: Solve for x
    x = 3,435,355,403,051,115/86,936,068.40
  6. Step 6: Final answer
    x = 39,515,881.80

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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.