Home / 86,115,278.98-118,742,546.73-70,385,500.18

Finding the Fourth Proportional to 86,115,278.98, 118,742,546.73 and 70,385,500.18

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Solution

The fourth proportional to 86,115,278.98, 118,742,546.73 and 70,385,500.18 is: 97,053,085.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,115,278.98 : 118,742,546.73 = 70,385,500.18 : x
  2. Step 2: Convert to fraction form
    86,115,278.98/118,742,546.73 = 70,385,500.18/x
  3. Step 3: Cross multiply
    86,115,278.98x = 118,742,546.73 × 70,385,500.18
  4. Step 4: Simplify right side
    86,115,278.98x = 8,357,753,544,238,075
  5. Step 5: Solve for x
    x = 8,357,753,544,238,075/86,115,278.98
  6. Step 6: Final answer
    x = 97,053,085.62

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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.