Home / 152,997,055.26-229,563,193.98-80,196,428.88

Finding the Fourth Proportional to 152,997,055.26, 229,563,193.98 and 80,196,428.88

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Solution

The fourth proportional to 152,997,055.26, 229,563,193.98 and 80,196,428.88 is: 120,330,083.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,997,055.26 : 229,563,193.98 = 80,196,428.88 : x
  2. Step 2: Convert to fraction form
    152,997,055.26/229,563,193.98 = 80,196,428.88/x
  3. Step 3: Cross multiply
    152,997,055.26x = 229,563,193.98 × 80,196,428.88
  4. Step 4: Simplify right side
    152,997,055.26x = 18,410,148,359,482,712
  5. Step 5: Solve for x
    x = 18,410,148,359,482,712/152,997,055.26
  6. Step 6: Final answer
    x = 120,330,083.01

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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.