Home / 217,580,802.21-326,406,654.59-64,242,359.01

Finding the Fourth Proportional to 217,580,802.21, 326,406,654.59 and 64,242,359.01

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Solution

The fourth proportional to 217,580,802.21, 326,406,654.59 and 64,242,359.01 is: 96,374,005.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,580,802.21 : 326,406,654.59 = 64,242,359.01 : x
  2. Step 2: Convert to fraction form
    217,580,802.21/326,406,654.59 = 64,242,359.01/x
  3. Step 3: Cross multiply
    217,580,802.21x = 326,406,654.59 × 64,242,359.01
  4. Step 4: Simplify right side
    217,580,802.21x = 20,969,133,487,102,632
  5. Step 5: Solve for x
    x = 20,969,133,487,102,632/217,580,802.21
  6. Step 6: Final answer
    x = 96,374,005.77

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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.