Home / 64,653,845.76-89,224,389-36,775,841.40

Finding the Fourth Proportional to 64,653,845.76, 89,224,389 and 36,775,841.40

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Solution

The fourth proportional to 64,653,845.76, 89,224,389 and 36,775,841.40 is: 50,751,845.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,653,845.76 : 89,224,389 = 36,775,841.40 : x
  2. Step 2: Convert to fraction form
    64,653,845.76/89,224,389 = 36,775,841.40/x
  3. Step 3: Cross multiply
    64,653,845.76x = 89,224,389 × 36,775,841.40
  4. Step 4: Simplify right side
    64,653,845.76x = 3,281,301,978,875,904.50
  5. Step 5: Solve for x
    x = 3,281,301,978,875,904.50/64,653,845.76
  6. Step 6: Final answer
    x = 50,751,845.31

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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.