Home / 97,920,003.20-146,880,004.80-87,338,422.40

Finding the Fourth Proportional to 97,920,003.20, 146,880,004.80 and 87,338,422.40

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Solution

The fourth proportional to 97,920,003.20, 146,880,004.80 and 87,338,422.40 is: 131,007,633.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,920,003.20 : 146,880,004.80 = 87,338,422.40 : x
  2. Step 2: Convert to fraction form
    97,920,003.20/146,880,004.80 = 87,338,422.40/x
  3. Step 3: Cross multiply
    97,920,003.20x = 146,880,004.80 × 87,338,422.40
  4. Step 4: Simplify right side
    97,920,003.20x = 12,828,267,901,336,430
  5. Step 5: Solve for x
    x = 12,828,267,901,336,430/97,920,003.20
  6. Step 6: Final answer
    x = 131,007,633.60

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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.