Home / 77,548,535.84-107,017,630.80-42,741,315.36

Finding the Fourth Proportional to 77,548,535.84, 107,017,630.80 and 42,741,315.36

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Solution

The fourth proportional to 77,548,535.84, 107,017,630.80 and 42,741,315.36 is: 58,983,374.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,548,535.84 : 107,017,630.80 = 42,741,315.36 : x
  2. Step 2: Convert to fraction form
    77,548,535.84/107,017,630.80 = 42,741,315.36/x
  3. Step 3: Cross multiply
    77,548,535.84x = 107,017,630.80 × 42,741,315.36
  4. Step 4: Simplify right side
    77,548,535.84x = 4,574,074,307,102,849
  5. Step 5: Solve for x
    x = 4,574,074,307,102,849/77,548,535.84
  6. Step 6: Final answer
    x = 58,983,374.19

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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.