Home / 102,016,165.80-140,783,707.67-55,606,319.94

Finding the Fourth Proportional to 102,016,165.80, 140,783,707.67 and 55,606,319.94

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Solution

The fourth proportional to 102,016,165.80, 140,783,707.67 and 55,606,319.94 is: 76,737,484.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,016,165.80 : 140,783,707.67 = 55,606,319.94 : x
  2. Step 2: Convert to fraction form
    102,016,165.80/140,783,707.67 = 55,606,319.94/x
  3. Step 3: Cross multiply
    102,016,165.80x = 140,783,707.67 × 55,606,319.94
  4. Step 4: Simplify right side
    102,016,165.80x = 7,828,463,891,287,359
  5. Step 5: Solve for x
    x = 7,828,463,891,287,359/102,016,165.80
  6. Step 6: Final answer
    x = 76,737,484.00

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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.