Home / 104,139,040.35-143,726,525.31-64,459,307.31

Finding the Fourth Proportional to 104,139,040.35, 143,726,525.31 and 64,459,307.31

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Solution

The fourth proportional to 104,139,040.35, 143,726,525.31 and 64,459,307.31 is: 88,962,911.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,139,040.35 : 143,726,525.31 = 64,459,307.31 : x
  2. Step 2: Convert to fraction form
    104,139,040.35/143,726,525.31 = 64,459,307.31/x
  3. Step 3: Cross multiply
    104,139,040.35x = 143,726,525.31 × 64,459,307.31
  4. Step 4: Simplify right side
    104,139,040.35x = 9,264,512,263,555,784
  5. Step 5: Solve for x
    x = 9,264,512,263,555,784/104,139,040.35
  6. Step 6: Final answer
    x = 88,962,911.82

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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.