Home / 170,881,665.05-235,811,825.91-100,316,140.54

Finding the Fourth Proportional to 170,881,665.05, 235,811,825.91 and 100,316,140.54

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Solution

The fourth proportional to 170,881,665.05, 235,811,825.91 and 100,316,140.54 is: 138,433,413.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,881,665.05 : 235,811,825.91 = 100,316,140.54 : x
  2. Step 2: Convert to fraction form
    170,881,665.05/235,811,825.91 = 100,316,140.54/x
  3. Step 3: Cross multiply
    170,881,665.05x = 235,811,825.91 × 100,316,140.54
  4. Step 4: Simplify right side
    170,881,665.05x = 23,655,732,268,392,044
  5. Step 5: Solve for x
    x = 23,655,732,268,392,044/170,881,665.05
  6. Step 6: Final answer
    x = 138,433,413.91

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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.