Home / 86,765,165.83-130,061,531.74-43,502,325.49

Finding the Fourth Proportional to 86,765,165.83, 130,061,531.74 and 43,502,325.49

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Solution

The fourth proportional to 86,765,165.83, 130,061,531.74 and 43,502,325.49 is: 65,210,260.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,765,165.83 : 130,061,531.74 = 43,502,325.49 : x
  2. Step 2: Convert to fraction form
    86,765,165.83/130,061,531.74 = 43,502,325.49/x
  3. Step 3: Cross multiply
    86,765,165.83x = 130,061,531.74 × 43,502,325.49
  4. Step 4: Simplify right side
    86,765,165.83x = 5,657,979,087,263,935
  5. Step 5: Solve for x
    x = 5,657,979,087,263,935/86,765,165.83
  6. Step 6: Final answer
    x = 65,210,260.74

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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.