Home / 158,571,147.27-218,922,002-99,884,117.67

Finding the Fourth Proportional to 158,571,147.27, 218,922,002 and 99,884,117.67

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Solution

The fourth proportional to 158,571,147.27, 218,922,002 and 99,884,117.67 is: 137,899,178.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,571,147.27 : 218,922,002 = 99,884,117.67 : x
  2. Step 2: Convert to fraction form
    158,571,147.27/218,922,002 = 99,884,117.67/x
  3. Step 3: Cross multiply
    158,571,147.27x = 218,922,002 × 99,884,117.67
  4. Step 4: Simplify right side
    158,571,147.27x = 21,866,831,008,319,976
  5. Step 5: Solve for x
    x = 21,866,831,008,319,976/158,571,147.27
  6. Step 6: Final answer
    x = 137,899,178.92

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1.5x scale

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.