Home / 86,470,437.70-119,328,319.29-47,839,546.18

Finding the Fourth Proportional to 86,470,437.70, 119,328,319.29 and 47,839,546.18

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Solution

The fourth proportional to 86,470,437.70, 119,328,319.29 and 47,839,546.18 is: 66,018,084.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,470,437.70 : 119,328,319.29 = 47,839,546.18 : x
  2. Step 2: Convert to fraction form
    86,470,437.70/119,328,319.29 = 47,839,546.18/x
  3. Step 3: Cross multiply
    86,470,437.70x = 119,328,319.29 × 47,839,546.18
  4. Step 4: Simplify right side
    86,470,437.70x = 5,708,612,641,255,740
  5. Step 5: Solve for x
    x = 5,708,612,641,255,740/86,470,437.70
  6. Step 6: Final answer
    x = 66,018,084.25

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Why These Related Problems?

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