Home / 152,842,742.32-210,926,413.92-86,757,015.28

Finding the Fourth Proportional to 152,842,742.32, 210,926,413.92 and 86,757,015.28

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Solution

The fourth proportional to 152,842,742.32, 210,926,413.92 and 86,757,015.28 is: 119,726,627.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,842,742.32 : 210,926,413.92 = 86,757,015.28 : x
  2. Step 2: Convert to fraction form
    152,842,742.32/210,926,413.92 = 86,757,015.28/x
  3. Step 3: Cross multiply
    152,842,742.32x = 210,926,413.92 × 86,757,015.28
  4. Step 4: Simplify right side
    152,842,742.32x = 18,299,346,115,413,044
  5. Step 5: Solve for x
    x = 18,299,346,115,413,044/152,842,742.32
  6. Step 6: Final answer
    x = 119,726,627.76

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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.