Home / 143,085,345.40-214,628,018.10-35,379,969.40

Finding the Fourth Proportional to 143,085,345.40, 214,628,018.10 and 35,379,969.40

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Solution

The fourth proportional to 143,085,345.40, 214,628,018.10 and 35,379,969.40 is: 53,069,954.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,085,345.40 : 214,628,018.10 = 35,379,969.40 : x
  2. Step 2: Convert to fraction form
    143,085,345.40/214,628,018.10 = 35,379,969.40/x
  3. Step 3: Cross multiply
    143,085,345.40x = 214,628,018.10 × 35,379,969.40
  4. Step 4: Simplify right side
    143,085,345.40x = 7,593,532,712,760,646
  5. Step 5: Solve for x
    x = 7,593,532,712,760,646/143,085,345.40
  6. Step 6: Final answer
    x = 53,069,954.10

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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.