Home / 193,555,953.60-290,333,930.40-85,850,577.60

Finding the Fourth Proportional to 193,555,953.60, 290,333,930.40 and 85,850,577.60

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Solution

The fourth proportional to 193,555,953.60, 290,333,930.40 and 85,850,577.60 is: 128,775,866.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,555,953.60 : 290,333,930.40 = 85,850,577.60 : x
  2. Step 2: Convert to fraction form
    193,555,953.60/290,333,930.40 = 85,850,577.60/x
  3. Step 3: Cross multiply
    193,555,953.60x = 290,333,930.40 × 85,850,577.60
  4. Step 4: Simplify right side
    193,555,953.60x = 24,925,335,621,718,196
  5. Step 5: Solve for x
    x = 24,925,335,621,718,196/193,555,953.60
  6. Step 6: Final answer
    x = 128,775,866.40

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1.5x scale

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.