Home / 66,985,607.20-100,417,742.18-46,524,987.76

Finding the Fourth Proportional to 66,985,607.20, 100,417,742.18 and 46,524,987.76

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Solution

The fourth proportional to 66,985,607.20, 100,417,742.18 and 46,524,987.76 is: 69,745,344.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,985,607.20 : 100,417,742.18 = 46,524,987.76 : x
  2. Step 2: Convert to fraction form
    66,985,607.20/100,417,742.18 = 46,524,987.76/x
  3. Step 3: Cross multiply
    66,985,607.20x = 100,417,742.18 × 46,524,987.76
  4. Step 4: Simplify right side
    66,985,607.20x = 4,671,934,225,811,336
  5. Step 5: Solve for x
    x = 4,671,934,225,811,336/66,985,607.20
  6. Step 6: Final answer
    x = 69,745,344.13

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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.