Home / 120,888,808.47-181,315,497.33-59,461,478.78

Finding the Fourth Proportional to 120,888,808.47, 181,315,497.33 and 59,461,478.78

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Solution

The fourth proportional to 120,888,808.47, 181,315,497.33 and 59,461,478.78 is: 89,183,504.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,888,808.47 : 181,315,497.33 = 59,461,478.78 : x
  2. Step 2: Convert to fraction form
    120,888,808.47/181,315,497.33 = 59,461,478.78/x
  3. Step 3: Cross multiply
    120,888,808.47x = 181,315,497.33 × 59,461,478.78
  4. Step 4: Simplify right side
    120,888,808.47x = 10,781,287,596,066,364
  5. Step 5: Solve for x
    x = 10,781,287,596,066,364/120,888,808.47
  6. Step 6: Final answer
    x = 89,183,504.52

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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.