Home / 130,604,831.80-195,683,298.90-85,143,225.40

Finding the Fourth Proportional to 130,604,831.80, 195,683,298.90 and 85,143,225.40

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Solution

The fourth proportional to 130,604,831.80, 195,683,298.90 and 85,143,225.40 is: 127,568,842.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,604,831.80 : 195,683,298.90 = 85,143,225.40 : x
  2. Step 2: Convert to fraction form
    130,604,831.80/195,683,298.90 = 85,143,225.40/x
  3. Step 3: Cross multiply
    130,604,831.80x = 195,683,298.90 × 85,143,225.40
  4. Step 4: Simplify right side
    130,604,831.80x = 16,661,107,225,258,274
  5. Step 5: Solve for x
    x = 16,661,107,225,258,274/130,604,831.80
  6. Step 6: Final answer
    x = 127,568,842.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.