Home / 147,543,623.60-221,315,435.40-143,292,095.60

Finding the Fourth Proportional to 147,543,623.60, 221,315,435.40 and 143,292,095.60

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Solution

The fourth proportional to 147,543,623.60, 221,315,435.40 and 143,292,095.60 is: 214,938,143.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,543,623.60 : 221,315,435.40 = 143,292,095.60 : x
  2. Step 2: Convert to fraction form
    147,543,623.60/221,315,435.40 = 143,292,095.60/x
  3. Step 3: Cross multiply
    147,543,623.60x = 221,315,435.40 × 143,292,095.60
  4. Step 4: Simplify right side
    147,543,623.60x = 31,712,752,527,092,424
  5. Step 5: Solve for x
    x = 31,712,752,527,092,424/147,543,623.60
  6. Step 6: Final answer
    x = 214,938,143.40

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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.