Home / 124,497,252.40-186,745,878.60-81,499,082.80

Finding the Fourth Proportional to 124,497,252.40, 186,745,878.60 and 81,499,082.80

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Solution

The fourth proportional to 124,497,252.40, 186,745,878.60 and 81,499,082.80 is: 122,248,624.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,497,252.40 : 186,745,878.60 = 81,499,082.80 : x
  2. Step 2: Convert to fraction form
    124,497,252.40/186,745,878.60 = 81,499,082.80/x
  3. Step 3: Cross multiply
    124,497,252.40x = 186,745,878.60 × 81,499,082.80
  4. Step 4: Simplify right side
    124,497,252.40x = 15,219,617,822,580,148
  5. Step 5: Solve for x
    x = 15,219,617,822,580,148/124,497,252.40
  6. Step 6: Final answer
    x = 122,248,624.20

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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.