Home / 103,424,646.51-142,726,444.34-57,013,882.11

Finding the Fourth Proportional to 103,424,646.51, 142,726,444.34 and 57,013,882.11

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Solution

The fourth proportional to 103,424,646.51, 142,726,444.34 and 57,013,882.11 is: 78,679,395.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,424,646.51 : 142,726,444.34 = 57,013,882.11 : x
  2. Step 2: Convert to fraction form
    103,424,646.51/142,726,444.34 = 57,013,882.11/x
  3. Step 3: Cross multiply
    103,424,646.51x = 142,726,444.34 × 57,013,882.11
  4. Step 4: Simplify right side
    103,424,646.51x = 8,137,388,671,295,168
  5. Step 5: Solve for x
    x = 8,137,388,671,295,168/103,424,646.51
  6. Step 6: Final answer
    x = 78,679,395.54

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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.