Home / 77,353,592.21-106,748,012.36-42,548,930.63

Finding the Fourth Proportional to 77,353,592.21, 106,748,012.36 and 42,548,930.63

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Solution

The fourth proportional to 77,353,592.21, 106,748,012.36 and 42,548,930.63 is: 58,717,554.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,353,592.21 : 106,748,012.36 = 42,548,930.63 : x
  2. Step 2: Convert to fraction form
    77,353,592.21/106,748,012.36 = 42,548,930.63/x
  3. Step 3: Cross multiply
    77,353,592.21x = 106,748,012.36 × 42,548,930.63
  4. Step 4: Simplify right side
    77,353,592.21x = 4,542,013,772,796,023
  5. Step 5: Solve for x
    x = 4,542,013,772,796,023/77,353,592.21
  6. Step 6: Final answer
    x = 58,717,554.58

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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.