Home / 127,747,293.80-191,620,940.70-70,209,948.20

Finding the Fourth Proportional to 127,747,293.80, 191,620,940.70 and 70,209,948.20

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Solution

The fourth proportional to 127,747,293.80, 191,620,940.70 and 70,209,948.20 is: 105,314,922.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,747,293.80 : 191,620,940.70 = 70,209,948.20 : x
  2. Step 2: Convert to fraction form
    127,747,293.80/191,620,940.70 = 70,209,948.20/x
  3. Step 3: Cross multiply
    127,747,293.80x = 191,620,940.70 × 70,209,948.20
  4. Step 4: Simplify right side
    127,747,293.80x = 13,453,696,320,582,272
  5. Step 5: Solve for x
    x = 13,453,696,320,582,272/127,747,293.80
  6. Step 6: Final answer
    x = 105,314,922.30

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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.