Home / 358,172,963.20-537,259,444.80-115,860,361.60

Finding the Fourth Proportional to 358,172,963.20, 537,259,444.80 and 115,860,361.60

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Solution

The fourth proportional to 358,172,963.20, 537,259,444.80 and 115,860,361.60 is: 173,790,542.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,172,963.20 : 537,259,444.80 = 115,860,361.60 : x
  2. Step 2: Convert to fraction form
    358,172,963.20/537,259,444.80 = 115,860,361.60/x
  3. Step 3: Cross multiply
    358,172,963.20x = 537,259,444.80 × 115,860,361.60
  4. Step 4: Simplify right side
    358,172,963.20x = 62,247,073,547,543,232
  5. Step 5: Solve for x
    x = 62,247,073,547,543,232/358,172,963.20
  6. Step 6: Final answer
    x = 173,790,542.40

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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.