Home / 100,828,544.47-139,147,669.19-56,174,476.89

Finding the Fourth Proportional to 100,828,544.47, 139,147,669.19 and 56,174,476.89

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Solution

The fourth proportional to 100,828,544.47, 139,147,669.19 and 56,174,476.89 is: 77,523,161.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,828,544.47 : 139,147,669.19 = 56,174,476.89 : x
  2. Step 2: Convert to fraction form
    100,828,544.47/139,147,669.19 = 56,174,476.89/x
  3. Step 3: Cross multiply
    100,828,544.47x = 139,147,669.19 × 56,174,476.89
  4. Step 4: Simplify right side
    100,828,544.47x = 7,816,547,527,211,020
  5. Step 5: Solve for x
    x = 7,816,547,527,211,020/100,828,544.47
  6. Step 6: Final answer
    x = 77,523,161.41

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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.