Home / 122,435,724.21-168,953,548.21-67,431,580.71

Finding the Fourth Proportional to 122,435,724.21, 168,953,548.21 and 67,431,580.71

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Solution

The fourth proportional to 122,435,724.21, 168,953,548.21 and 67,431,580.71 is: 93,051,312.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,435,724.21 : 168,953,548.21 = 67,431,580.71 : x
  2. Step 2: Convert to fraction form
    122,435,724.21/168,953,548.21 = 67,431,580.71/x
  3. Step 3: Cross multiply
    122,435,724.21x = 168,953,548.21 × 67,431,580.71
  4. Step 4: Simplify right side
    122,435,724.21x = 11,392,804,822,363,490
  5. Step 5: Solve for x
    x = 11,392,804,822,363,490/122,435,724.21
  6. Step 6: Final answer
    x = 93,051,312.40

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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.