Home / 144,417,609.40-216,785,846.40-89,891,762.80

Finding the Fourth Proportional to 144,417,609.40, 216,785,846.40 and 89,891,762.80

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Solution

The fourth proportional to 144,417,609.40, 216,785,846.40 and 89,891,762.80 is: 134,936,881.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,417,609.40 : 216,785,846.40 = 89,891,762.80 : x
  2. Step 2: Convert to fraction form
    144,417,609.40/216,785,846.40 = 89,891,762.80/x
  3. Step 3: Cross multiply
    144,417,609.40x = 216,785,846.40 × 89,891,762.80
  4. Step 4: Simplify right side
    144,417,609.40x = 19,487,261,882,986,032
  5. Step 5: Solve for x
    x = 19,487,261,882,986,032/144,417,609.40
  6. Step 6: Final answer
    x = 134,936,881.76

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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.