Home / 186,607,576.80-279,706,078.80-65,376,626.40

Finding the Fourth Proportional to 186,607,576.80, 279,706,078.80 and 65,376,626.40

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Solution

The fourth proportional to 186,607,576.80, 279,706,078.80 and 65,376,626.40 is: 97,993,018.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,607,576.80 : 279,706,078.80 = 65,376,626.40 : x
  2. Step 2: Convert to fraction form
    186,607,576.80/279,706,078.80 = 65,376,626.40/x
  3. Step 3: Cross multiply
    186,607,576.80x = 279,706,078.80 × 65,376,626.40
  4. Step 4: Simplify right side
    186,607,576.80x = 18,286,239,815,516,560
  5. Step 5: Solve for x
    x = 18,286,239,815,516,560/186,607,576.80
  6. Step 6: Final answer
    x = 97,993,018.98

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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.