Home / 75,652,173.40-113,478,260.10-49,824,140.80

Finding the Fourth Proportional to 75,652,173.40, 113,478,260.10 and 49,824,140.80

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Solution

The fourth proportional to 75,652,173.40, 113,478,260.10 and 49,824,140.80 is: 74,736,211.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,652,173.40 : 113,478,260.10 = 49,824,140.80 : x
  2. Step 2: Convert to fraction form
    75,652,173.40/113,478,260.10 = 49,824,140.80/x
  3. Step 3: Cross multiply
    75,652,173.40x = 113,478,260.10 × 49,824,140.80
  4. Step 4: Simplify right side
    75,652,173.40x = 5,653,956,808,961,421
  5. Step 5: Solve for x
    x = 5,653,956,808,961,421/75,652,173.40
  6. Step 6: Final answer
    x = 74,736,211.20

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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.