Home / 77,691,752.20-116,537,628.30-52,145,000.20

Finding the Fourth Proportional to 77,691,752.20, 116,537,628.30 and 52,145,000.20

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Solution

The fourth proportional to 77,691,752.20, 116,537,628.30 and 52,145,000.20 is: 78,217,500.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,691,752.20 : 116,537,628.30 = 52,145,000.20 : x
  2. Step 2: Convert to fraction form
    77,691,752.20/116,537,628.30 = 52,145,000.20/x
  3. Step 3: Cross multiply
    77,691,752.20x = 116,537,628.30 × 52,145,000.20
  4. Step 4: Simplify right side
    77,691,752.20x = 6,076,854,651,011,026
  5. Step 5: Solve for x
    x = 6,076,854,651,011,026/77,691,752.20
  6. Step 6: Final answer
    x = 78,217,500.30

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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.