Home / 113,372,103.60-170,058,155.40-90,697,287.60

Finding the Fourth Proportional to 113,372,103.60, 170,058,155.40 and 90,697,287.60

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Solution

The fourth proportional to 113,372,103.60, 170,058,155.40 and 90,697,287.60 is: 136,045,931.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,372,103.60 : 170,058,155.40 = 90,697,287.60 : x
  2. Step 2: Convert to fraction form
    113,372,103.60/170,058,155.40 = 90,697,287.60/x
  3. Step 3: Cross multiply
    113,372,103.60x = 170,058,155.40 × 90,697,287.60
  4. Step 4: Simplify right side
    113,372,103.60x = 15,423,813,429,039,292
  5. Step 5: Solve for x
    x = 15,423,813,429,039,292/113,372,103.60
  6. Step 6: Final answer
    x = 136,045,931.40

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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.