Home / 216,739,711.31-299,101,584.66-117,620,437.16

Finding the Fourth Proportional to 216,739,711.31, 299,101,584.66 and 117,620,437.16

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Solution

The fourth proportional to 216,739,711.31, 299,101,584.66 and 117,620,437.16 is: 162,316,628.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,739,711.31 : 299,101,584.66 = 117,620,437.16 : x
  2. Step 2: Convert to fraction form
    216,739,711.31/299,101,584.66 = 117,620,437.16/x
  3. Step 3: Cross multiply
    216,739,711.31x = 299,101,584.66 × 117,620,437.16
  4. Step 4: Simplify right side
    216,739,711.31x = 35,180,459,143,264,624
  5. Step 5: Solve for x
    x = 35,180,459,143,264,624/216,739,711.31
  6. Step 6: Final answer
    x = 162,316,628.23

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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.