Home / 109,583,699.20-164,375,548.80-68,769,030.40

Finding the Fourth Proportional to 109,583,699.20, 164,375,548.80 and 68,769,030.40

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Solution

The fourth proportional to 109,583,699.20, 164,375,548.80 and 68,769,030.40 is: 103,153,545.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,583,699.20 : 164,375,548.80 = 68,769,030.40 : x
  2. Step 2: Convert to fraction form
    109,583,699.20/164,375,548.80 = 68,769,030.40/x
  3. Step 3: Cross multiply
    109,583,699.20x = 164,375,548.80 × 68,769,030.40
  4. Step 4: Simplify right side
    109,583,699.20x = 11,303,947,112,443,886
  5. Step 5: Solve for x
    x = 11,303,947,112,443,886/109,583,699.20
  6. Step 6: Final answer
    x = 103,153,545.60

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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.