Home / 116,567,981.68-160,877,921.04-66,344,412.06

Finding the Fourth Proportional to 116,567,981.68, 160,877,921.04 and 66,344,412.06

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Solution

The fourth proportional to 116,567,981.68, 160,877,921.04 and 66,344,412.06 is: 91,563,317.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,567,981.68 : 160,877,921.04 = 66,344,412.06 : x
  2. Step 2: Convert to fraction form
    116,567,981.68/160,877,921.04 = 66,344,412.06/x
  3. Step 3: Cross multiply
    116,567,981.68x = 160,877,921.04 × 66,344,412.06
  4. Step 4: Simplify right side
    116,567,981.68x = 10,673,351,084,833,904
  5. Step 5: Solve for x
    x = 10,673,351,084,833,904/116,567,981.68
  6. Step 6: Final answer
    x = 91,563,317.22

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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.