Home / 127,890,003.60-191,835,005.40-47,142,464.40

Finding the Fourth Proportional to 127,890,003.60, 191,835,005.40 and 47,142,464.40

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Solution

The fourth proportional to 127,890,003.60, 191,835,005.40 and 47,142,464.40 is: 70,713,696.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,890,003.60 : 191,835,005.40 = 47,142,464.40 : x
  2. Step 2: Convert to fraction form
    127,890,003.60/191,835,005.40 = 47,142,464.40/x
  3. Step 3: Cross multiply
    127,890,003.60x = 191,835,005.40 × 47,142,464.40
  4. Step 4: Simplify right side
    127,890,003.60x = 9,043,574,912,743,308
  5. Step 5: Solve for x
    x = 9,043,574,912,743,308/127,890,003.60
  6. Step 6: Final answer
    x = 70,713,696.60

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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.