Home / 221,174,044,565.51-331,776,049,130.85-77,735,634,054.28

Finding the Fourth Proportional to 221,174,044,565.51, 331,776,049,130.85 and 77,735,634,054.28

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Solution

The fourth proportional to 221,174,044,565.51, 331,776,049,130.85 and 77,735,634,054.28 is: 116,608,716,876.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,174,044,565.51 : 331,776,049,130.85 = 77,735,634,054.28 : x
  2. Step 2: Convert to fraction form
    221,174,044,565.51/331,776,049,130.85 = 77,735,634,054.28/x
  3. Step 3: Cross multiply
    221,174,044,565.51x = 331,776,049,130.85 × 77,735,634,054.28
  4. Step 4: Simplify right side
    221,174,044,565.51x = 25,790,821,543,208,915,304,448
  5. Step 5: Solve for x
    x = 25,790,821,543,208,915,304,448/221,174,044,565.51
  6. Step 6: Final answer
    x = 116,608,716,876.68

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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.