Home / 77,977,946.03-107,609,591.75-42,697,982.52

Finding the Fourth Proportional to 77,977,946.03, 107,609,591.75 and 42,697,982.52

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Solution

The fourth proportional to 77,977,946.03, 107,609,591.75 and 42,697,982.52 is: 58,923,230.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,977,946.03 : 107,609,591.75 = 42,697,982.52 : x
  2. Step 2: Convert to fraction form
    77,977,946.03/107,609,591.75 = 42,697,982.52/x
  3. Step 3: Cross multiply
    77,977,946.03x = 107,609,591.75 × 42,697,982.52
  4. Step 4: Simplify right side
    77,977,946.03x = 4,594,712,467,312,347
  5. Step 5: Solve for x
    x = 4,594,712,467,312,347/77,977,946.03
  6. Step 6: Final answer
    x = 58,923,230.24

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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.