Home / 128,304,088.65-192,456,132.98-60,153,669.45

Finding the Fourth Proportional to 128,304,088.65, 192,456,132.98 and 60,153,669.45

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Solution

The fourth proportional to 128,304,088.65, 192,456,132.98 and 60,153,669.45 is: 90,230,504.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,304,088.65 : 192,456,132.98 = 60,153,669.45 : x
  2. Step 2: Convert to fraction form
    128,304,088.65/192,456,132.98 = 60,153,669.45/x
  3. Step 3: Cross multiply
    128,304,088.65x = 192,456,132.98 × 60,153,669.45
  4. Step 4: Simplify right side
    128,304,088.65x = 11,576,942,606,603,396
  5. Step 5: Solve for x
    x = 11,576,942,606,603,396/128,304,088.65
  6. Step 6: Final answer
    x = 90,230,504.18

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1.5x scale

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.