Home / 128,654,140.16-192,823,106.48-59,473,365.04

Finding the Fourth Proportional to 128,654,140.16, 192,823,106.48 and 59,473,365.04

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Solution

The fourth proportional to 128,654,140.16, 192,823,106.48 and 59,473,365.04 is: 89,136,960.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,654,140.16 : 192,823,106.48 = 59,473,365.04 : x
  2. Step 2: Convert to fraction form
    128,654,140.16/192,823,106.48 = 59,473,365.04/x
  3. Step 3: Cross multiply
    128,654,140.16x = 192,823,106.48 × 59,473,365.04
  4. Step 4: Simplify right side
    128,654,140.16x = 11,467,838,999,831,828
  5. Step 5: Solve for x
    x = 11,467,838,999,831,828/128,654,140.16
  6. Step 6: Final answer
    x = 89,136,960.42

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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.