Home / 229,719,078.40-317,039,129.18-130,614,675.18

Finding the Fourth Proportional to 229,719,078.40, 317,039,129.18 and 130,614,675.18

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Solution

The fourth proportional to 229,719,078.40, 317,039,129.18 and 130,614,675.18 is: 180,263,490.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,719,078.40 : 317,039,129.18 = 130,614,675.18 : x
  2. Step 2: Convert to fraction form
    229,719,078.40/317,039,129.18 = 130,614,675.18/x
  3. Step 3: Cross multiply
    229,719,078.40x = 317,039,129.18 × 130,614,675.18
  4. Step 4: Simplify right side
    229,719,078.40x = 41,409,962,876,333,400
  5. Step 5: Solve for x
    x = 41,409,962,876,333,400/229,719,078.40
  6. Step 6: Final answer
    x = 180,263,490.37

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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.