Home / 127,710,024.60-191,589,920.10-51,020,002.20

Finding the Fourth Proportional to 127,710,024.60, 191,589,920.10 and 51,020,002.20

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Solution

The fourth proportional to 127,710,024.60, 191,589,920.10 and 51,020,002.20 is: 76,539,944.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,710,024.60 : 191,589,920.10 = 51,020,002.20 : x
  2. Step 2: Convert to fraction form
    127,710,024.60/191,589,920.10 = 51,020,002.20/x
  3. Step 3: Cross multiply
    127,710,024.60x = 191,589,920.10 × 51,020,002.20
  4. Step 4: Simplify right side
    127,710,024.60x = 9,774,918,144,999,824
  5. Step 5: Solve for x
    x = 9,774,918,144,999,824/127,710,024.60
  6. Step 6: Final answer
    x = 76,539,944.11

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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.