Home / 171,432,565.40-236,578,852.50-100,883,768.60

Finding the Fourth Proportional to 171,432,565.40, 236,578,852.50 and 100,883,768.60

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Solution

The fourth proportional to 171,432,565.40, 236,578,852.50 and 100,883,768.60 is: 139,220,725.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,432,565.40 : 236,578,852.50 = 100,883,768.60 : x
  2. Step 2: Convert to fraction form
    171,432,565.40/236,578,852.50 = 100,883,768.60/x
  3. Step 3: Cross multiply
    171,432,565.40x = 236,578,852.50 × 100,883,768.60
  4. Step 4: Simplify right side
    171,432,565.40x = 23,866,966,211,263,532
  5. Step 5: Solve for x
    x = 23,866,966,211,263,532/171,432,565.40
  6. Step 6: Final answer
    x = 139,220,725.98

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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.