Home / 127,710,031.60-191,589,930.60-51,020,009.20

Finding the Fourth Proportional to 127,710,031.60, 191,589,930.60 and 51,020,009.20

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Solution

The fourth proportional to 127,710,031.60, 191,589,930.60 and 51,020,009.20 is: 76,539,954.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,710,031.60 : 191,589,930.60 = 51,020,009.20 : x
  2. Step 2: Convert to fraction form
    127,710,031.60/191,589,930.60 = 51,020,009.20/x
  3. Step 3: Cross multiply
    127,710,031.60x = 191,589,930.60 × 51,020,009.20
  4. Step 4: Simplify right side
    127,710,031.60x = 9,774,920,021,839,362
  5. Step 5: Solve for x
    x = 9,774,920,021,839,362/127,710,031.60
  6. Step 6: Final answer
    x = 76,539,954.61

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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.