Home / 92,731,498.80-139,097,248.20-58,243,383.60

Finding the Fourth Proportional to 92,731,498.80, 139,097,248.20 and 58,243,383.60

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Solution

The fourth proportional to 92,731,498.80, 139,097,248.20 and 58,243,383.60 is: 87,365,075.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,731,498.80 : 139,097,248.20 = 58,243,383.60 : x
  2. Step 2: Convert to fraction form
    92,731,498.80/139,097,248.20 = 58,243,383.60/x
  3. Step 3: Cross multiply
    92,731,498.80x = 139,097,248.20 × 58,243,383.60
  4. Step 4: Simplify right side
    92,731,498.80x = 8,101,494,384,617,009
  5. Step 5: Solve for x
    x = 8,101,494,384,617,009/92,731,498.80
  6. Step 6: Final answer
    x = 87,365,075.40

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Similar ratio
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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.