Home / 108,262,607.40-162,393,911.10-31,593,385.80

Finding the Fourth Proportional to 108,262,607.40, 162,393,911.10 and 31,593,385.80

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Solution

The fourth proportional to 108,262,607.40, 162,393,911.10 and 31,593,385.80 is: 47,390,078.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,262,607.40 : 162,393,911.10 = 31,593,385.80 : x
  2. Step 2: Convert to fraction form
    108,262,607.40/162,393,911.10 = 31,593,385.80/x
  3. Step 3: Cross multiply
    108,262,607.40x = 162,393,911.10 × 31,593,385.80
  4. Step 4: Simplify right side
    108,262,607.40x = 5,130,573,484,953,202
  5. Step 5: Solve for x
    x = 5,130,573,484,953,202/108,262,607.40
  6. Step 6: Final answer
    x = 47,390,078.70

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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.