Home / 91,935,615.60-137,903,423.40-40,763,314.80

Finding the Fourth Proportional to 91,935,615.60, 137,903,423.40 and 40,763,314.80

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Solution

The fourth proportional to 91,935,615.60, 137,903,423.40 and 40,763,314.80 is: 61,144,972.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,935,615.60 : 137,903,423.40 = 40,763,314.80 : x
  2. Step 2: Convert to fraction form
    91,935,615.60/137,903,423.40 = 40,763,314.80/x
  3. Step 3: Cross multiply
    91,935,615.60x = 137,903,423.40 × 40,763,314.80
  4. Step 4: Simplify right side
    91,935,615.60x = 5,621,400,660,051,886
  5. Step 5: Solve for x
    x = 5,621,400,660,051,886/91,935,615.60
  6. Step 6: Final answer
    x = 61,144,972.20

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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.