Home / 92,923,881.28-128,238,088.34-51,111,180.44

Finding the Fourth Proportional to 92,923,881.28, 128,238,088.34 and 51,111,180.44

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Solution

The fourth proportional to 92,923,881.28, 128,238,088.34 and 51,111,180.44 is: 70,535,151.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,923,881.28 : 128,238,088.34 = 51,111,180.44 : x
  2. Step 2: Convert to fraction form
    92,923,881.28/128,238,088.34 = 51,111,180.44/x
  3. Step 3: Cross multiply
    92,923,881.28x = 128,238,088.34 × 51,111,180.44
  4. Step 4: Simplify right side
    92,923,881.28x = 6,554,400,072,426,400
  5. Step 5: Solve for x
    x = 6,554,400,072,426,400/92,923,881.28
  6. Step 6: Final answer
    x = 70,535,151.81

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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.