Home / 144,884,216.48-199,941,661.20-78,806,252

Finding the Fourth Proportional to 144,884,216.48, 199,941,661.20 and 78,806,252

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Solution

The fourth proportional to 144,884,216.48, 199,941,661.20 and 78,806,252 is: 108,753,412.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,884,216.48 : 199,941,661.20 = 78,806,252 : x
  2. Step 2: Convert to fraction form
    144,884,216.48/199,941,661.20 = 78,806,252/x
  3. Step 3: Cross multiply
    144,884,216.48x = 199,941,661.20 × 78,806,252
  4. Step 4: Simplify right side
    144,884,216.48x = 15,756,652,937,825,822
  5. Step 5: Solve for x
    x = 15,756,652,937,825,822/144,884,216.48
  6. Step 6: Final answer
    x = 108,753,412.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.