Home / 44,009,920.80-66,014,881.20-42,143,972.40

Finding the Fourth Proportional to 44,009,920.80, 66,014,881.20 and 42,143,972.40

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Solution

The fourth proportional to 44,009,920.80, 66,014,881.20 and 42,143,972.40 is: 63,215,958.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,009,920.80 : 66,014,881.20 = 42,143,972.40 : x
  2. Step 2: Convert to fraction form
    44,009,920.80/66,014,881.20 = 42,143,972.40/x
  3. Step 3: Cross multiply
    44,009,920.80x = 66,014,881.20 × 42,143,972.40
  4. Step 4: Simplify right side
    44,009,920.80x = 2,782,129,331,282,079
  5. Step 5: Solve for x
    x = 2,782,129,331,282,079/44,009,920.80
  6. Step 6: Final answer
    x = 63,215,958.60

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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.