Home / 122,173,293.21-168,551,438.63-69,934,411.77

Finding the Fourth Proportional to 122,173,293.21, 168,551,438.63 and 69,934,411.77

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Solution

The fourth proportional to 122,173,293.21, 168,551,438.63 and 69,934,411.77 is: 96,482,180.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,173,293.21 : 168,551,438.63 = 69,934,411.77 : x
  2. Step 2: Convert to fraction form
    122,173,293.21/168,551,438.63 = 69,934,411.77/x
  3. Step 3: Cross multiply
    122,173,293.21x = 168,551,438.63 × 69,934,411.77
  4. Step 4: Simplify right side
    122,173,293.21x = 11,787,545,713,226,632
  5. Step 5: Solve for x
    x = 11,787,545,713,226,632/122,173,293.21
  6. Step 6: Final answer
    x = 96,482,180.38

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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.