Home / 42,914,762.40-64,372,143.60-38,238,081.60

Finding the Fourth Proportional to 42,914,762.40, 64,372,143.60 and 38,238,081.60

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Solution

The fourth proportional to 42,914,762.40, 64,372,143.60 and 38,238,081.60 is: 57,357,122.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,914,762.40 : 64,372,143.60 = 38,238,081.60 : x
  2. Step 2: Convert to fraction form
    42,914,762.40/64,372,143.60 = 38,238,081.60/x
  3. Step 3: Cross multiply
    42,914,762.40x = 64,372,143.60 × 38,238,081.60
  4. Step 4: Simplify right side
    42,914,762.40x = 2,461,467,279,743,718
  5. Step 5: Solve for x
    x = 2,461,467,279,743,718/42,914,762.40
  6. Step 6: Final answer
    x = 57,357,122.40

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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.