Home / 109,430,959.80-164,191,655.70-47,988,325.56

Finding the Fourth Proportional to 109,430,959.80, 164,191,655.70 and 47,988,325.56

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Solution

The fourth proportional to 109,430,959.80, 164,191,655.70 and 47,988,325.56 is: 72,002,316.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,430,959.80 : 164,191,655.70 = 47,988,325.56 : x
  2. Step 2: Convert to fraction form
    109,430,959.80/164,191,655.70 = 47,988,325.56/x
  3. Step 3: Cross multiply
    109,430,959.80x = 164,191,655.70 × 47,988,325.56
  4. Step 4: Simplify right side
    109,430,959.80x = 7,879,282,627,967,030
  5. Step 5: Solve for x
    x = 7,879,282,627,967,030/109,430,959.80
  6. Step 6: Final answer
    x = 72,002,316.73

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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.