Home / 163,881,981.90-245,822,972.85-146,025,564.30

Finding the Fourth Proportional to 163,881,981.90, 245,822,972.85 and 146,025,564.30

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Solution

The fourth proportional to 163,881,981.90, 245,822,972.85 and 146,025,564.30 is: 219,038,346.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,881,981.90 : 245,822,972.85 = 146,025,564.30 : x
  2. Step 2: Convert to fraction form
    163,881,981.90/245,822,972.85 = 146,025,564.30/x
  3. Step 3: Cross multiply
    163,881,981.90x = 245,822,972.85 × 146,025,564.30
  4. Step 4: Simplify right side
    163,881,981.90x = 35,896,438,328,324,832
  5. Step 5: Solve for x
    x = 35,896,438,328,324,832/163,881,981.90
  6. Step 6: Final answer
    x = 219,038,346.45

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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.