Home / 193,920,691.60-290,881,037.40-121,361,280.40

Finding the Fourth Proportional to 193,920,691.60, 290,881,037.40 and 121,361,280.40

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Solution

The fourth proportional to 193,920,691.60, 290,881,037.40 and 121,361,280.40 is: 182,041,920.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,920,691.60 : 290,881,037.40 = 121,361,280.40 : x
  2. Step 2: Convert to fraction form
    193,920,691.60/290,881,037.40 = 121,361,280.40/x
  3. Step 3: Cross multiply
    193,920,691.60x = 290,881,037.40 × 121,361,280.40
  4. Step 4: Simplify right side
    193,920,691.60x = 35,301,695,142,944,284
  5. Step 5: Solve for x
    x = 35,301,695,142,944,284/193,920,691.60
  6. Step 6: Final answer
    x = 182,041,920.60

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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.