Home / 126,120,032.32-174,045,567.52-68,173,280.32

Finding the Fourth Proportional to 126,120,032.32, 174,045,567.52 and 68,173,280.32

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Solution

The fourth proportional to 126,120,032.32, 174,045,567.52 and 68,173,280.32 is: 94,079,085.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,120,032.32 : 174,045,567.52 = 68,173,280.32 : x
  2. Step 2: Convert to fraction form
    126,120,032.32/174,045,567.52 = 68,173,280.32/x
  3. Step 3: Cross multiply
    126,120,032.32x = 174,045,567.52 × 68,173,280.32
  4. Step 4: Simplify right side
    126,120,032.32x = 11,865,257,262,994,446
  5. Step 5: Solve for x
    x = 11,865,257,262,994,446/126,120,032.32
  6. Step 6: Final answer
    x = 94,079,085.18

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1.5x scale

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.