Home / 85,113,783.20-127,670,674.80-34,003,690.40

Finding the Fourth Proportional to 85,113,783.20, 127,670,674.80 and 34,003,690.40

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Solution

The fourth proportional to 85,113,783.20, 127,670,674.80 and 34,003,690.40 is: 51,005,535.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,113,783.20 : 127,670,674.80 = 34,003,690.40 : x
  2. Step 2: Convert to fraction form
    85,113,783.20/127,670,674.80 = 34,003,690.40/x
  3. Step 3: Cross multiply
    85,113,783.20x = 127,670,674.80 × 34,003,690.40
  4. Step 4: Simplify right side
    85,113,783.20x = 4,341,274,099,058,281.50
  5. Step 5: Solve for x
    x = 4,341,274,099,058,281.50/85,113,783.20
  6. Step 6: Final answer
    x = 51,005,535.60

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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.