Home / 77,069,737.68-115,604,992.08-19,562,026.32

Finding the Fourth Proportional to 77,069,737.68, 115,604,992.08 and 19,562,026.32

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Solution

The fourth proportional to 77,069,737.68, 115,604,992.08 and 19,562,026.32 is: 29,343,137.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,069,737.68 : 115,604,992.08 = 19,562,026.32 : x
  2. Step 2: Convert to fraction form
    77,069,737.68/115,604,992.08 = 19,562,026.32/x
  3. Step 3: Cross multiply
    77,069,737.68x = 115,604,992.08 × 19,562,026.32
  4. Step 4: Simplify right side
    77,069,737.68x = 2,261,467,897,792,351.50
  5. Step 5: Solve for x
    x = 2,261,467,897,792,351.50/77,069,737.68
  6. Step 6: Final answer
    x = 29,343,137.34

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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.