Home / 216,646,305.24-298,971,901.26-123,828,806.01

Finding the Fourth Proportional to 216,646,305.24, 298,971,901.26 and 123,828,806.01

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Solution

The fourth proportional to 216,646,305.24, 298,971,901.26 and 123,828,806.01 is: 170,883,752.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,646,305.24 : 298,971,901.26 = 123,828,806.01 : x
  2. Step 2: Convert to fraction form
    216,646,305.24/298,971,901.26 = 123,828,806.01/x
  3. Step 3: Cross multiply
    216,646,305.24x = 298,971,901.26 × 123,828,806.01
  4. Step 4: Simplify right side
    216,646,305.24x = 37,021,333,563,565,416
  5. Step 5: Solve for x
    x = 37,021,333,563,565,416/216,646,305.24
  6. Step 6: Final answer
    x = 170,883,752.31

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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.