Home / 143,208,004.80-214,812,007.20-88,788,446.40

Finding the Fourth Proportional to 143,208,004.80, 214,812,007.20 and 88,788,446.40

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Solution

The fourth proportional to 143,208,004.80, 214,812,007.20 and 88,788,446.40 is: 133,182,669.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,208,004.80 : 214,812,007.20 = 88,788,446.40 : x
  2. Step 2: Convert to fraction form
    143,208,004.80/214,812,007.20 = 88,788,446.40/x
  3. Step 3: Cross multiply
    143,208,004.80x = 214,812,007.20 × 88,788,446.40
  4. Step 4: Simplify right side
    143,208,004.80x = 19,072,824,387,353,616
  5. Step 5: Solve for x
    x = 19,072,824,387,353,616/143,208,004.80
  6. Step 6: Final answer
    x = 133,182,669.60

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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.