Home / 212,196,473.87-292,831,148.02-118,108,601.63

Finding the Fourth Proportional to 212,196,473.87, 292,831,148.02 and 118,108,601.63

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Solution

The fourth proportional to 212,196,473.87, 292,831,148.02 and 118,108,601.63 is: 162,989,878.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,196,473.87 : 292,831,148.02 = 118,108,601.63 : x
  2. Step 2: Convert to fraction form
    212,196,473.87/292,831,148.02 = 118,108,601.63/x
  3. Step 3: Cross multiply
    212,196,473.87x = 292,831,148.02 × 118,108,601.63
  4. Step 4: Simplify right side
    212,196,473.87x = 34,585,877,407,555,008
  5. Step 5: Solve for x
    x = 34,585,877,407,555,008/212,196,473.87
  6. Step 6: Final answer
    x = 162,989,878.09

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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.