Home / 70,883,607.60-106,165,979.10-42,185,793.60

Finding the Fourth Proportional to 70,883,607.60, 106,165,979.10 and 42,185,793.60

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Solution

The fourth proportional to 70,883,607.60, 106,165,979.10 and 42,185,793.60 is: 63,183,805.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,883,607.60 : 106,165,979.10 = 42,185,793.60 : x
  2. Step 2: Convert to fraction form
    70,883,607.60/106,165,979.10 = 42,185,793.60/x
  3. Step 3: Cross multiply
    70,883,607.60x = 106,165,979.10 × 42,185,793.60
  4. Step 4: Simplify right side
    70,883,607.60x = 4,478,696,081,654,513.50
  5. Step 5: Solve for x
    x = 4,478,696,081,654,513.50/70,883,607.60
  6. Step 6: Final answer
    x = 63,183,805.58

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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.