Home / 210,325,831.80-315,488,747.70-97,079,623.80

Finding the Fourth Proportional to 210,325,831.80, 315,488,747.70 and 97,079,623.80

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Solution

The fourth proportional to 210,325,831.80, 315,488,747.70 and 97,079,623.80 is: 145,619,435.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,325,831.80 : 315,488,747.70 = 97,079,623.80 : x
  2. Step 2: Convert to fraction form
    210,325,831.80/315,488,747.70 = 97,079,623.80/x
  3. Step 3: Cross multiply
    210,325,831.80x = 315,488,747.70 × 97,079,623.80
  4. Step 4: Simplify right side
    210,325,831.80x = 30,627,528,939,849,112
  5. Step 5: Solve for x
    x = 30,627,528,939,849,112/210,325,831.80
  6. Step 6: Final answer
    x = 145,619,435.70

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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.