Home / 127,046,968.40-190,712,170.20-118,721,059.40

Finding the Fourth Proportional to 127,046,968.40, 190,712,170.20 and 118,721,059.40

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Solution

The fourth proportional to 127,046,968.40, 190,712,170.20 and 118,721,059.40 is: 178,214,019.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,046,968.40 : 190,712,170.20 = 118,721,059.40 : x
  2. Step 2: Convert to fraction form
    127,046,968.40/190,712,170.20 = 118,721,059.40/x
  3. Step 3: Cross multiply
    127,046,968.40x = 190,712,170.20 × 118,721,059.40
  4. Step 4: Simplify right side
    127,046,968.40x = 22,641,550,886,617,108
  5. Step 5: Solve for x
    x = 22,641,550,886,617,108/127,046,968.40
  6. Step 6: Final answer
    x = 178,214,019.36

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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.