Home / 116,567,998.30-160,877,943.59-66,344,428.05

Finding the Fourth Proportional to 116,567,998.30, 160,877,943.59 and 66,344,428.05

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Solution

The fourth proportional to 116,567,998.30, 160,877,943.59 and 66,344,428.05 is: 91,563,339.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,567,998.30 : 160,877,943.59 = 66,344,428.05 : x
  2. Step 2: Convert to fraction form
    116,567,998.30/160,877,943.59 = 66,344,428.05/x
  3. Step 3: Cross multiply
    116,567,998.30x = 160,877,943.59 × 66,344,428.05
  4. Step 4: Simplify right side
    116,567,998.30x = 10,673,355,153,338,714
  5. Step 5: Solve for x
    x = 10,673,355,153,338,714/116,567,998.30
  6. Step 6: Final answer
    x = 91,563,339.07

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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.