Home / 221,435,309.40-332,152,964.10-164,039,681.40

Finding the Fourth Proportional to 221,435,309.40, 332,152,964.10 and 164,039,681.40

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Solution

The fourth proportional to 221,435,309.40, 332,152,964.10 and 164,039,681.40 is: 246,059,522.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,435,309.40 : 332,152,964.10 = 164,039,681.40 : x
  2. Step 2: Convert to fraction form
    221,435,309.40/332,152,964.10 = 164,039,681.40/x
  3. Step 3: Cross multiply
    221,435,309.40x = 332,152,964.10 × 164,039,681.40
  4. Step 4: Simplify right side
    221,435,309.40x = 54,486,266,407,029,640
  5. Step 5: Solve for x
    x = 54,486,266,407,029,640/221,435,309.40
  6. Step 6: Final answer
    x = 246,059,522.10

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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.