Home / 212,196,473.31-292,831,147.24-118,108,601.07

Finding the Fourth Proportional to 212,196,473.31, 292,831,147.24 and 118,108,601.07

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Solution

The fourth proportional to 212,196,473.31, 292,831,147.24 and 118,108,601.07 is: 162,989,877.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,196,473.31 : 292,831,147.24 = 118,108,601.07 : x
  2. Step 2: Convert to fraction form
    212,196,473.31/292,831,147.24 = 118,108,601.07/x
  3. Step 3: Cross multiply
    212,196,473.31x = 292,831,147.24 × 118,108,601.07
  4. Step 4: Simplify right side
    212,196,473.31x = 34,585,877,150,824,984
  5. Step 5: Solve for x
    x = 34,585,877,150,824,984/212,196,473.31
  6. Step 6: Final answer
    x = 162,989,877.31

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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.