Home / 89,072,031.40-133,608,047.10-55,059,807.40

Finding the Fourth Proportional to 89,072,031.40, 133,608,047.10 and 55,059,807.40

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Solution

The fourth proportional to 89,072,031.40, 133,608,047.10 and 55,059,807.40 is: 82,589,711.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,072,031.40 : 133,608,047.10 = 55,059,807.40 : x
  2. Step 2: Convert to fraction form
    89,072,031.40/133,608,047.10 = 55,059,807.40/x
  3. Step 3: Cross multiply
    89,072,031.40x = 133,608,047.10 × 55,059,807.40
  4. Step 4: Simplify right side
    89,072,031.40x = 7,356,433,340,416,128
  5. Step 5: Solve for x
    x = 7,356,433,340,416,128/89,072,031.40
  6. Step 6: Final answer
    x = 82,589,711.10

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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.