Home / 66,904,143.09-92,155,689.99-47,291,313

Finding the Fourth Proportional to 66,904,143.09, 92,155,689.99 and 47,291,313

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Solution

The fourth proportional to 66,904,143.09, 92,155,689.99 and 47,291,313 is: 65,140,414.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,904,143.09 : 92,155,689.99 = 47,291,313 : x
  2. Step 2: Convert to fraction form
    66,904,143.09/92,155,689.99 = 47,291,313/x
  3. Step 3: Cross multiply
    66,904,143.09x = 92,155,689.99 × 47,291,313
  4. Step 4: Simplify right side
    66,904,143.09x = 4,358,163,580,048,056.50
  5. Step 5: Solve for x
    x = 4,358,163,580,048,056.50/66,904,143.09
  6. Step 6: Final answer
    x = 65,140,414.01

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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.