Home / 212,096,097.18-292,688,026.52-122,791,807.37

Finding the Fourth Proportional to 212,096,097.18, 292,688,026.52 and 122,791,807.37

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Solution

The fourth proportional to 212,096,097.18, 292,688,026.52 and 122,791,807.37 is: 169,450,038.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,096,097.18 : 292,688,026.52 = 122,791,807.37 : x
  2. Step 2: Convert to fraction form
    212,096,097.18/292,688,026.52 = 122,791,807.37/x
  3. Step 3: Cross multiply
    212,096,097.18x = 292,688,026.52 × 122,791,807.37
  4. Step 4: Simplify right side
    212,096,097.18x = 35,939,691,771,949,292
  5. Step 5: Solve for x
    x = 35,939,691,771,949,292/212,096,097.18
  6. Step 6: Final answer
    x = 169,450,038.21

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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.