Home / 88,731,672.70-133,097,509.05-85,330,450.30

Finding the Fourth Proportional to 88,731,672.70, 133,097,509.05 and 85,330,450.30

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Solution

The fourth proportional to 88,731,672.70, 133,097,509.05 and 85,330,450.30 is: 127,995,675.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,731,672.70 : 133,097,509.05 = 85,330,450.30 : x
  2. Step 2: Convert to fraction form
    88,731,672.70/133,097,509.05 = 85,330,450.30/x
  3. Step 3: Cross multiply
    88,731,672.70x = 133,097,509.05 × 85,330,450.30
  4. Step 4: Simplify right side
    88,731,672.70x = 11,357,270,381,044,824
  5. Step 5: Solve for x
    x = 11,357,270,381,044,824/88,731,672.70
  6. Step 6: Final answer
    x = 127,995,675.45

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1.5x scale

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.