Home / 125,495,081.86-173,187,418.60-69,742,852.11

Finding the Fourth Proportional to 125,495,081.86, 173,187,418.60 and 69,742,852.11

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Solution

The fourth proportional to 125,495,081.86, 173,187,418.60 and 69,742,852.11 is: 96,247,473.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,495,081.86 : 173,187,418.60 = 69,742,852.11 : x
  2. Step 2: Convert to fraction form
    125,495,081.86/173,187,418.60 = 69,742,852.11/x
  3. Step 3: Cross multiply
    125,495,081.86x = 173,187,418.60 × 69,742,852.11
  4. Step 4: Simplify right side
    125,495,081.86x = 12,078,584,522,906,820
  5. Step 5: Solve for x
    x = 12,078,584,522,906,820/125,495,081.86
  6. Step 6: Final answer
    x = 96,247,473.16

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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.