Home / 47,255,999.40-70,883,999.10-45,240,460.20

Finding the Fourth Proportional to 47,255,999.40, 70,883,999.10 and 45,240,460.20

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Solution

The fourth proportional to 47,255,999.40, 70,883,999.10 and 45,240,460.20 is: 67,860,690.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,255,999.40 : 70,883,999.10 = 45,240,460.20 : x
  2. Step 2: Convert to fraction form
    47,255,999.40/70,883,999.10 = 45,240,460.20/x
  3. Step 3: Cross multiply
    47,255,999.40x = 70,883,999.10 × 45,240,460.20
  4. Step 4: Simplify right side
    47,255,999.40x = 3,206,824,740,100,386
  5. Step 5: Solve for x
    x = 3,206,824,740,100,386/47,255,999.40
  6. Step 6: Final answer
    x = 67,860,690.30

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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.