Home / 127,651,845.40-191,194,332.90-104,977,029.40

Finding the Fourth Proportional to 127,651,845.40, 191,194,332.90 and 104,977,029.40

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Solution

The fourth proportional to 127,651,845.40, 191,194,332.90 and 104,977,029.40 is: 157,232,455.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,651,845.40 : 191,194,332.90 = 104,977,029.40 : x
  2. Step 2: Convert to fraction form
    127,651,845.40/191,194,332.90 = 104,977,029.40/x
  3. Step 3: Cross multiply
    127,651,845.40x = 191,194,332.90 × 104,977,029.40
  4. Step 4: Simplify right side
    127,651,845.40x = 20,071,013,105,956,688
  5. Step 5: Solve for x
    x = 20,071,013,105,956,688/127,651,845.40
  6. Step 6: Final answer
    x = 157,232,455.54

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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.