Home / 105,489,901.60-158,234,852.40-103,600,333.60

Finding the Fourth Proportional to 105,489,901.60, 158,234,852.40 and 103,600,333.60

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Solution

The fourth proportional to 105,489,901.60, 158,234,852.40 and 103,600,333.60 is: 155,400,500.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,489,901.60 : 158,234,852.40 = 103,600,333.60 : x
  2. Step 2: Convert to fraction form
    105,489,901.60/158,234,852.40 = 103,600,333.60/x
  3. Step 3: Cross multiply
    105,489,901.60x = 158,234,852.40 × 103,600,333.60
  4. Step 4: Simplify right side
    105,489,901.60x = 16,393,183,495,786,760
  5. Step 5: Solve for x
    x = 16,393,183,495,786,760/105,489,901.60
  6. Step 6: Final answer
    x = 155,400,500.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.