Home / 219,878,887.38-303,459,784.86-127,059,395.22

Finding the Fourth Proportional to 219,878,887.38, 303,459,784.86 and 127,059,395.22

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Solution

The fourth proportional to 219,878,887.38, 303,459,784.86 and 127,059,395.22 is: 175,357,521.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,878,887.38 : 303,459,784.86 = 127,059,395.22 : x
  2. Step 2: Convert to fraction form
    219,878,887.38/303,459,784.86 = 127,059,395.22/x
  3. Step 3: Cross multiply
    219,878,887.38x = 303,459,784.86 × 127,059,395.22
  4. Step 4: Simplify right side
    219,878,887.38x = 38,557,416,737,902,912
  5. Step 5: Solve for x
    x = 38,557,416,737,902,912/219,878,887.38
  6. Step 6: Final answer
    x = 175,357,521.58

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1.5x scale

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.