Home / 158,077,250.45-218,169,423.80-91,083,377.67

Finding the Fourth Proportional to 158,077,250.45, 218,169,423.80 and 91,083,377.67

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Solution

The fourth proportional to 158,077,250.45, 218,169,423.80 and 91,083,377.67 is: 125,708,208.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,077,250.45 : 218,169,423.80 = 91,083,377.67 : x
  2. Step 2: Convert to fraction form
    158,077,250.45/218,169,423.80 = 91,083,377.67/x
  3. Step 3: Cross multiply
    158,077,250.45x = 218,169,423.80 × 91,083,377.67
  4. Step 4: Simplify right side
    158,077,250.45x = 19,871,608,024,249,396
  5. Step 5: Solve for x
    x = 19,871,608,024,249,396/158,077,250.45
  6. Step 6: Final answer
    x = 125,708,208.92

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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.