Home / 127,890,005.60-191,835,008.40-47,142,466.40

Finding the Fourth Proportional to 127,890,005.60, 191,835,008.40 and 47,142,466.40

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Solution

The fourth proportional to 127,890,005.60, 191,835,008.40 and 47,142,466.40 is: 70,713,699.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,890,005.60 : 191,835,008.40 = 47,142,466.40 : x
  2. Step 2: Convert to fraction form
    127,890,005.60/191,835,008.40 = 47,142,466.40/x
  3. Step 3: Cross multiply
    127,890,005.60x = 191,835,008.40 × 47,142,466.40
  4. Step 4: Simplify right side
    127,890,005.60x = 9,043,575,437,840,718
  5. Step 5: Solve for x
    x = 9,043,575,437,840,718/127,890,005.60
  6. Step 6: Final answer
    x = 70,713,699.60

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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.