Home / 193,547,713.20-290,321,569.80-125,019,380.40

Finding the Fourth Proportional to 193,547,713.20, 290,321,569.80 and 125,019,380.40

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Solution

The fourth proportional to 193,547,713.20, 290,321,569.80 and 125,019,380.40 is: 187,529,070.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,547,713.20 : 290,321,569.80 = 125,019,380.40 : x
  2. Step 2: Convert to fraction form
    193,547,713.20/290,321,569.80 = 125,019,380.40/x
  3. Step 3: Cross multiply
    193,547,713.20x = 290,321,569.80 × 125,019,380.40
  4. Step 4: Simplify right side
    193,547,713.20x = 36,295,822,773,151,352
  5. Step 5: Solve for x
    x = 36,295,822,773,151,352/193,547,713.20
  6. Step 6: Final answer
    x = 187,529,070.60

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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.