Home / 216,871,411.20-325,559,059.20-130,707,110.40

Finding the Fourth Proportional to 216,871,411.20, 325,559,059.20 and 130,707,110.40

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Solution

The fourth proportional to 216,871,411.20, 325,559,059.20 and 130,707,110.40 is: 196,212,509.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,871,411.20 : 325,559,059.20 = 130,707,110.40 : x
  2. Step 2: Convert to fraction form
    216,871,411.20/325,559,059.20 = 130,707,110.40/x
  3. Step 3: Cross multiply
    216,871,411.20x = 325,559,059.20 × 130,707,110.40
  4. Step 4: Simplify right side
    216,871,411.20x = 42,552,883,892,574,536
  5. Step 5: Solve for x
    x = 42,552,883,892,574,536/216,871,411.20
  6. Step 6: Final answer
    x = 196,212,509.79

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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.