Home / 127,584,006.40-191,376,009.60-87,273,222.40

Finding the Fourth Proportional to 127,584,006.40, 191,376,009.60 and 87,273,222.40

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Solution

The fourth proportional to 127,584,006.40, 191,376,009.60 and 87,273,222.40 is: 130,909,833.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,584,006.40 : 191,376,009.60 = 87,273,222.40 : x
  2. Step 2: Convert to fraction form
    127,584,006.40/191,376,009.60 = 87,273,222.40/x
  3. Step 3: Cross multiply
    127,584,006.40x = 191,376,009.60 × 87,273,222.40
  4. Step 4: Simplify right side
    127,584,006.40x = 16,702,001,047,845,336
  5. Step 5: Solve for x
    x = 16,702,001,047,845,336/127,584,006.40
  6. Step 6: Final answer
    x = 130,909,833.60

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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.