Home / 66,398,466.40-99,597,699.60-40,756,328.80

Finding the Fourth Proportional to 66,398,466.40, 99,597,699.60 and 40,756,328.80

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Solution

The fourth proportional to 66,398,466.40, 99,597,699.60 and 40,756,328.80 is: 61,134,493.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,398,466.40 : 99,597,699.60 = 40,756,328.80 : x
  2. Step 2: Convert to fraction form
    66,398,466.40/99,597,699.60 = 40,756,328.80/x
  3. Step 3: Cross multiply
    66,398,466.40x = 99,597,699.60 × 40,756,328.80
  4. Step 4: Simplify right side
    66,398,466.40x = 4,059,236,592,621,228
  5. Step 5: Solve for x
    x = 4,059,236,592,621,228/66,398,466.40
  6. Step 6: Final answer
    x = 61,134,493.20

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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.