Home / 115,501,903.13-159,392,626.32-66,609,331.13

Finding the Fourth Proportional to 115,501,903.13, 159,392,626.32 and 66,609,331.13

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Solution

The fourth proportional to 115,501,903.13, 159,392,626.32 and 66,609,331.13 is: 91,920,876.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,501,903.13 : 159,392,626.32 = 66,609,331.13 : x
  2. Step 2: Convert to fraction form
    115,501,903.13/159,392,626.32 = 66,609,331.13/x
  3. Step 3: Cross multiply
    115,501,903.13x = 159,392,626.32 × 66,609,331.13
  4. Step 4: Simplify right side
    115,501,903.13x = 10,617,036,225,432,270
  5. Step 5: Solve for x
    x = 10,617,036,225,432,270/115,501,903.13
  6. Step 6: Final answer
    x = 91,920,876.96

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.