Home / 314,898,721.22-472,346,399.86-81,729,262.93

Finding the Fourth Proportional to 314,898,721.22, 472,346,399.86 and 81,729,262.93

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Solution

The fourth proportional to 314,898,721.22, 472,346,399.86 and 81,729,262.93 is: 122,593,457.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,898,721.22 : 472,346,399.86 = 81,729,262.93 : x
  2. Step 2: Convert to fraction form
    314,898,721.22/472,346,399.86 = 81,729,262.93/x
  3. Step 3: Cross multiply
    314,898,721.22x = 472,346,399.86 × 81,729,262.93
  4. Step 4: Simplify right side
    314,898,721.22x = 38,604,523,106,811,664
  5. Step 5: Solve for x
    x = 38,604,523,106,811,664/314,898,721.22
  6. Step 6: Final answer
    x = 122,593,457.85

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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.