Home / 119,291,948.88-178,989,738.48-64,743,073.08

Finding the Fourth Proportional to 119,291,948.88, 178,989,738.48 and 64,743,073.08

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Solution

The fourth proportional to 119,291,948.88, 178,989,738.48 and 64,743,073.08 is: 97,142,731.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,291,948.88 : 178,989,738.48 = 64,743,073.08 : x
  2. Step 2: Convert to fraction form
    119,291,948.88/178,989,738.48 = 64,743,073.08/x
  3. Step 3: Cross multiply
    119,291,948.88x = 178,989,738.48 × 64,743,073.08
  4. Step 4: Simplify right side
    119,291,948.88x = 11,588,345,718,980,728
  5. Step 5: Solve for x
    x = 11,588,345,718,980,728/119,291,948.88
  6. Step 6: Final answer
    x = 97,142,731.15

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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.