Home / 148,963,308.96-205,566,138.72-86,242,049.76

Finding the Fourth Proportional to 148,963,308.96, 205,566,138.72 and 86,242,049.76

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Solution

The fourth proportional to 148,963,308.96, 205,566,138.72 and 86,242,049.76 is: 119,012,160.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,963,308.96 : 205,566,138.72 = 86,242,049.76 : x
  2. Step 2: Convert to fraction form
    148,963,308.96/205,566,138.72 = 86,242,049.76/x
  3. Step 3: Cross multiply
    148,963,308.96x = 205,566,138.72 × 86,242,049.76
  4. Step 4: Simplify right side
    148,963,308.96x = 17,728,445,164,461,304
  5. Step 5: Solve for x
    x = 17,728,445,164,461,304/148,963,308.96
  6. Step 6: Final answer
    x = 119,012,160.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.