Home / 140,020,051.17-193,222,605.42-77,294,801.91

Finding the Fourth Proportional to 140,020,051.17, 193,222,605.42 and 77,294,801.91

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Solution

The fourth proportional to 140,020,051.17, 193,222,605.42 and 77,294,801.91 is: 106,664,030.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,020,051.17 : 193,222,605.42 = 77,294,801.91 : x
  2. Step 2: Convert to fraction form
    140,020,051.17/193,222,605.42 = 77,294,801.91/x
  3. Step 3: Cross multiply
    140,020,051.17x = 193,222,605.42 × 77,294,801.91
  4. Step 4: Simplify right side
    140,020,051.17x = 14,935,103,010,472,990
  5. Step 5: Solve for x
    x = 14,935,103,010,472,990/140,020,051.17
  6. Step 6: Final answer
    x = 106,664,030.51

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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.