Home / 47,373,354.40-71,060,031.60-42,980,108.80

Finding the Fourth Proportional to 47,373,354.40, 71,060,031.60 and 42,980,108.80

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Solution

The fourth proportional to 47,373,354.40, 71,060,031.60 and 42,980,108.80 is: 64,470,163.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,373,354.40 : 71,060,031.60 = 42,980,108.80 : x
  2. Step 2: Convert to fraction form
    47,373,354.40/71,060,031.60 = 42,980,108.80/x
  3. Step 3: Cross multiply
    47,373,354.40x = 71,060,031.60 × 42,980,108.80
  4. Step 4: Simplify right side
    47,373,354.40x = 3,054,167,889,499,437.50
  5. Step 5: Solve for x
    x = 3,054,167,889,499,437.50/47,373,354.40
  6. Step 6: Final answer
    x = 64,470,163.20

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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.