Home / 83,916,005.60-125,874,008.40-61,241,189.60

Finding the Fourth Proportional to 83,916,005.60, 125,874,008.40 and 61,241,189.60

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Solution

The fourth proportional to 83,916,005.60, 125,874,008.40 and 61,241,189.60 is: 91,861,784.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,916,005.60 : 125,874,008.40 = 61,241,189.60 : x
  2. Step 2: Convert to fraction form
    83,916,005.60/125,874,008.40 = 61,241,189.60/x
  3. Step 3: Cross multiply
    83,916,005.60x = 125,874,008.40 × 61,241,189.60
  4. Step 4: Simplify right side
    83,916,005.60x = 7,708,674,014,136,393
  5. Step 5: Solve for x
    x = 7,708,674,014,136,393/83,916,005.60
  6. Step 6: Final answer
    x = 91,861,784.40

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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.