Home / 90,578,677,605.98-124,998,953,965.92-49,932,696,898.31

Finding the Fourth Proportional to 90,578,677,605.98, 124,998,953,965.92 and 49,932,696,898.31

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Solution

The fourth proportional to 90,578,677,605.98, 124,998,953,965.92 and 49,932,696,898.31 is: 68,907,330,576.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,578,677,605.98 : 124,998,953,965.92 = 49,932,696,898.31 : x
  2. Step 2: Convert to fraction form
    90,578,677,605.98/124,998,953,965.92 = 49,932,696,898.31/x
  3. Step 3: Cross multiply
    90,578,677,605.98x = 124,998,953,965.92 × 49,932,696,898.31
  4. Step 4: Simplify right side
    90,578,677,605.98x = 6,241,534,880,985,462,603,776
  5. Step 5: Solve for x
    x = 6,241,534,880,985,462,603,776/90,578,677,605.98
  6. Step 6: Final answer
    x = 68,907,330,576.59

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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.