Home / 47,535,272.70-71,239,923.45-42,118,511.10

Finding the Fourth Proportional to 47,535,272.70, 71,239,923.45 and 42,118,511.10

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Solution

The fourth proportional to 47,535,272.70, 71,239,923.45 and 42,118,511.10 is: 63,121,958.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,535,272.70 : 71,239,923.45 = 42,118,511.10 : x
  2. Step 2: Convert to fraction form
    47,535,272.70/71,239,923.45 = 42,118,511.10/x
  3. Step 3: Cross multiply
    47,535,272.70x = 71,239,923.45 × 42,118,511.10
  4. Step 4: Simplify right side
    47,535,272.70x = 3,000,519,506,591,975.50
  5. Step 5: Solve for x
    x = 3,000,519,506,591,975.50/47,535,272.70
  6. Step 6: Final answer
    x = 63,121,958.41

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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.