Home / 158,871,390.09-219,301,990.58-119,293,253.01

Finding the Fourth Proportional to 158,871,390.09, 219,301,990.58 and 119,293,253.01

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Solution

The fourth proportional to 158,871,390.09, 219,301,990.58 and 119,293,253.01 is: 164,669,345.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,871,390.09 : 219,301,990.58 = 119,293,253.01 : x
  2. Step 2: Convert to fraction form
    158,871,390.09/219,301,990.58 = 119,293,253.01/x
  3. Step 3: Cross multiply
    158,871,390.09x = 219,301,990.58 × 119,293,253.01
  4. Step 4: Simplify right side
    158,871,390.09x = 26,161,247,848,154,812
  5. Step 5: Solve for x
    x = 26,161,247,848,154,812/158,871,390.09
  6. Step 6: Final answer
    x = 164,669,345.65

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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.