Home / 99,446,859.60-149,170,289.40-90,837,515.40

Finding the Fourth Proportional to 99,446,859.60, 149,170,289.40 and 90,837,515.40

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Solution

The fourth proportional to 99,446,859.60, 149,170,289.40 and 90,837,515.40 is: 136,256,273.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,446,859.60 : 149,170,289.40 = 90,837,515.40 : x
  2. Step 2: Convert to fraction form
    99,446,859.60/149,170,289.40 = 90,837,515.40/x
  3. Step 3: Cross multiply
    99,446,859.60x = 149,170,289.40 × 90,837,515.40
  4. Step 4: Simplify right side
    99,446,859.60x = 13,550,258,460,594,958
  5. Step 5: Solve for x
    x = 13,550,258,460,594,958/99,446,859.60
  6. Step 6: Final answer
    x = 136,256,273.10

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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.