Home / 132,902,108.80-199,353,163.20-86,985,606.40

Finding the Fourth Proportional to 132,902,108.80, 199,353,163.20 and 86,985,606.40

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Solution

The fourth proportional to 132,902,108.80, 199,353,163.20 and 86,985,606.40 is: 130,478,409.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,902,108.80 : 199,353,163.20 = 86,985,606.40 : x
  2. Step 2: Convert to fraction form
    132,902,108.80/199,353,163.20 = 86,985,606.40/x
  3. Step 3: Cross multiply
    132,902,108.80x = 199,353,163.20 × 86,985,606.40
  4. Step 4: Simplify right side
    132,902,108.80x = 17,340,855,788,710,164
  5. Step 5: Solve for x
    x = 17,340,855,788,710,164/132,902,108.80
  6. Step 6: Final answer
    x = 130,478,409.60

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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.