Home / 143,018,478,980.75-214,453,228,465.10-67,451,339,842.16

Finding the Fourth Proportional to 143,018,478,980.75, 214,453,228,465.10 and 67,451,339,842.16

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Solution

The fourth proportional to 143,018,478,980.75, 214,453,228,465.10 and 67,451,339,842.16 is: 101,141,878,284.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,018,478,980.75 : 214,453,228,465.10 = 67,451,339,842.16 : x
  2. Step 2: Convert to fraction form
    143,018,478,980.75/214,453,228,465.10 = 67,451,339,842.16/x
  3. Step 3: Cross multiply
    143,018,478,980.75x = 214,453,228,465.10 × 67,451,339,842.16
  4. Step 4: Simplify right side
    143,018,478,980.75x = 14,465,157,593,448,056,881,152
  5. Step 5: Solve for x
    x = 14,465,157,593,448,056,881,152/143,018,478,980.75
  6. Step 6: Final answer
    x = 101,141,878,284.10

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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.