Home / 43,329,439.90-64,994,155.89-19,068,366.79

Finding the Fourth Proportional to 43,329,439.90, 64,994,155.89 and 19,068,366.79

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Solution

The fourth proportional to 43,329,439.90, 64,994,155.89 and 19,068,366.79 is: 28,602,548.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,329,439.90 : 64,994,155.89 = 19,068,366.79 : x
  2. Step 2: Convert to fraction form
    43,329,439.90/64,994,155.89 = 19,068,366.79/x
  3. Step 3: Cross multiply
    43,329,439.90x = 64,994,155.89 × 19,068,366.79
  4. Step 4: Simplify right side
    43,329,439.90x = 1,239,332,403,522,040
  5. Step 5: Solve for x
    x = 1,239,332,403,522,040/43,329,439.90
  6. Step 6: Final answer
    x = 28,602,548.44

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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.