Home / 176,353,509.61-243,008,934.25-136,418,428.51

Finding the Fourth Proportional to 176,353,509.61, 243,008,934.25 and 136,418,428.51

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Solution

The fourth proportional to 176,353,509.61, 243,008,934.25 and 136,418,428.51 is: 187,979,796.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,353,509.61 : 243,008,934.25 = 136,418,428.51 : x
  2. Step 2: Convert to fraction form
    176,353,509.61/243,008,934.25 = 136,418,428.51/x
  3. Step 3: Cross multiply
    176,353,509.61x = 243,008,934.25 × 136,418,428.51
  4. Step 4: Simplify right side
    176,353,509.61x = 33,150,896,924,274,912
  5. Step 5: Solve for x
    x = 33,150,896,924,274,912/176,353,509.61
  6. Step 6: Final answer
    x = 187,979,796.93

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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.