Home / 103,592,439.40-155,388,659.10-49,726,762.60

Finding the Fourth Proportional to 103,592,439.40, 155,388,659.10 and 49,726,762.60

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Solution

The fourth proportional to 103,592,439.40, 155,388,659.10 and 49,726,762.60 is: 74,590,143.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,592,439.40 : 155,388,659.10 = 49,726,762.60 : x
  2. Step 2: Convert to fraction form
    103,592,439.40/155,388,659.10 = 49,726,762.60/x
  3. Step 3: Cross multiply
    103,592,439.40x = 155,388,659.10 × 49,726,762.60
  4. Step 4: Simplify right side
    103,592,439.40x = 7,726,974,961,798,030
  5. Step 5: Solve for x
    x = 7,726,974,961,798,030/103,592,439.40
  6. Step 6: Final answer
    x = 74,590,143.90

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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.