Home / 166,077,200.90-249,115,801.35-79,794,802.10

Finding the Fourth Proportional to 166,077,200.90, 249,115,801.35 and 79,794,802.10

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Solution

The fourth proportional to 166,077,200.90, 249,115,801.35 and 79,794,802.10 is: 119,692,203.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,077,200.90 : 249,115,801.35 = 79,794,802.10 : x
  2. Step 2: Convert to fraction form
    166,077,200.90/249,115,801.35 = 79,794,802.10/x
  3. Step 3: Cross multiply
    166,077,200.90x = 249,115,801.35 × 79,794,802.10
  4. Step 4: Simplify right side
    166,077,200.90x = 19,878,146,068,706,160
  5. Step 5: Solve for x
    x = 19,878,146,068,706,160/166,077,200.90
  6. Step 6: Final answer
    x = 119,692,203.15

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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.