Home / 229,139,819.84-316,239,877.44-128,684,766.14

Finding the Fourth Proportional to 229,139,819.84, 316,239,877.44 and 128,684,766.14

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Solution

The fourth proportional to 229,139,819.84, 316,239,877.44 and 128,684,766.14 is: 177,600,098.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,139,819.84 : 316,239,877.44 = 128,684,766.14 : x
  2. Step 2: Convert to fraction form
    229,139,819.84/316,239,877.44 = 128,684,766.14/x
  3. Step 3: Cross multiply
    229,139,819.84x = 316,239,877.44 × 128,684,766.14
  4. Step 4: Simplify right side
    229,139,819.84x = 40,695,254,672,508,664
  5. Step 5: Solve for x
    x = 40,695,254,672,508,664/229,139,819.84
  6. Step 6: Final answer
    x = 177,600,098.93

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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.