Home / 112,841,133,171.81-155,716,063,970.76-61,399,895,024.45

Finding the Fourth Proportional to 112,841,133,171.81, 155,716,063,970.76 and 61,399,895,024.45

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Solution

The fourth proportional to 112,841,133,171.81, 155,716,063,970.76 and 61,399,895,024.45 is: 84,729,297,842.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,841,133,171.81 : 155,716,063,970.76 = 61,399,895,024.45 : x
  2. Step 2: Convert to fraction form
    112,841,133,171.81/155,716,063,970.76 = 61,399,895,024.45/x
  3. Step 3: Cross multiply
    112,841,133,171.81x = 155,716,063,970.76 × 61,399,895,024.45
  4. Step 4: Simplify right side
    112,841,133,171.81x = 9,560,949,981,424,425,893,888
  5. Step 5: Solve for x
    x = 9,560,949,981,424,425,893,888/112,841,133,171.81
  6. Step 6: Final answer
    x = 84,729,297,842.72

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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.