Home / 240,155,168.16-331,414,415.40-130,146,881.16

Finding the Fourth Proportional to 240,155,168.16, 331,414,415.40 and 130,146,881.16

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Solution

The fourth proportional to 240,155,168.16, 331,414,415.40 and 130,146,881.16 is: 179,602,849.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,155,168.16 : 331,414,415.40 = 130,146,881.16 : x
  2. Step 2: Convert to fraction form
    240,155,168.16/331,414,415.40 = 130,146,881.16/x
  3. Step 3: Cross multiply
    240,155,168.16x = 331,414,415.40 × 130,146,881.16
  4. Step 4: Simplify right side
    240,155,168.16x = 43,132,552,535,774,672
  5. Step 5: Solve for x
    x = 43,132,552,535,774,672/240,155,168.16
  6. Step 6: Final answer
    x = 179,602,849.55

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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.