Home / 358,166,419.20-537,249,628.80-115,853,817.60

Finding the Fourth Proportional to 358,166,419.20, 537,249,628.80 and 115,853,817.60

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Solution

The fourth proportional to 358,166,419.20, 537,249,628.80 and 115,853,817.60 is: 173,780,726.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,166,419.20 : 537,249,628.80 = 115,853,817.60 : x
  2. Step 2: Convert to fraction form
    358,166,419.20/537,249,628.80 = 115,853,817.60/x
  3. Step 3: Cross multiply
    358,166,419.20x = 537,249,628.80 × 115,853,817.60
  4. Step 4: Simplify right side
    358,166,419.20x = 62,242,420,500,662,896
  5. Step 5: Solve for x
    x = 62,242,420,500,662,896/358,166,419.20
  6. Step 6: Final answer
    x = 173,780,726.40

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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.