Home / 65,616,670.58-90,553,756.54-37,739,388.50

Finding the Fourth Proportional to 65,616,670.58, 90,553,756.54 and 37,739,388.50

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Solution

The fourth proportional to 65,616,670.58, 90,553,756.54 and 37,739,388.50 is: 52,081,938.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,616,670.58 : 90,553,756.54 = 37,739,388.50 : x
  2. Step 2: Convert to fraction form
    65,616,670.58/90,553,756.54 = 37,739,388.50/x
  3. Step 3: Cross multiply
    65,616,670.58x = 90,553,756.54 × 37,739,388.50
  4. Step 4: Simplify right side
    65,616,670.58x = 3,417,443,398,197,476
  5. Step 5: Solve for x
    x = 3,417,443,398,197,476/65,616,670.58
  6. Step 6: Final answer
    x = 52,081,938.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.