Home / 66,904,156.12-92,155,707.88-47,291,326

Finding the Fourth Proportional to 66,904,156.12, 92,155,707.88 and 47,291,326

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Solution

The fourth proportional to 66,904,156.12, 92,155,707.88 and 47,291,326 is: 65,140,431.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,904,156.12 : 92,155,707.88 = 47,291,326 : x
  2. Step 2: Convert to fraction form
    66,904,156.12/92,155,707.88 = 47,291,326/x
  3. Step 3: Cross multiply
    66,904,156.12x = 92,155,707.88 × 47,291,326
  4. Step 4: Simplify right side
    66,904,156.12x = 4,358,165,624,113,848.50
  5. Step 5: Solve for x
    x = 4,358,165,624,113,848.50/66,904,156.12
  6. Step 6: Final answer
    x = 65,140,431.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.