Home / 145,205,999.40-217,808,999.10-93,809,749.80

Finding the Fourth Proportional to 145,205,999.40, 217,808,999.10 and 93,809,749.80

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Solution

The fourth proportional to 145,205,999.40, 217,808,999.10 and 93,809,749.80 is: 140,714,624.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,205,999.40 : 217,808,999.10 = 93,809,749.80 : x
  2. Step 2: Convert to fraction form
    145,205,999.40/217,808,999.10 = 93,809,749.80/x
  3. Step 3: Cross multiply
    145,205,999.40x = 217,808,999.10 × 93,809,749.80
  4. Step 4: Simplify right side
    145,205,999.40x = 20,432,607,709,759,424
  5. Step 5: Solve for x
    x = 20,432,607,709,759,424/145,205,999.40
  6. Step 6: Final answer
    x = 140,714,624.70

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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.