Home / 80,402,133.84-110,924,886.96-47,342,178.24

Finding the Fourth Proportional to 80,402,133.84, 110,924,886.96 and 47,342,178.24

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Solution

The fourth proportional to 80,402,133.84, 110,924,886.96 and 47,342,178.24 is: 65,314,507.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,402,133.84 : 110,924,886.96 = 47,342,178.24 : x
  2. Step 2: Convert to fraction form
    80,402,133.84/110,924,886.96 = 47,342,178.24/x
  3. Step 3: Cross multiply
    80,402,133.84x = 110,924,886.96 × 47,342,178.24
  4. Step 4: Simplify right side
    80,402,133.84x = 5,251,425,769,712,172
  5. Step 5: Solve for x
    x = 5,251,425,769,712,172/80,402,133.84
  6. Step 6: Final answer
    x = 65,314,507.45

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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.