Home / 54,435,459.60-81,569,208.60-47,213,110.80

Finding the Fourth Proportional to 54,435,459.60, 81,569,208.60 and 47,213,110.80

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Solution

The fourth proportional to 54,435,459.60, 81,569,208.60 and 47,213,110.80 is: 70,746,827.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,435,459.60 : 81,569,208.60 = 47,213,110.80 : x
  2. Step 2: Convert to fraction form
    54,435,459.60/81,569,208.60 = 47,213,110.80/x
  3. Step 3: Cross multiply
    54,435,459.60x = 81,569,208.60 × 47,213,110.80
  4. Step 4: Simplify right side
    54,435,459.60x = 3,851,136,083,500,112.50
  5. Step 5: Solve for x
    x = 3,851,136,083,500,112.50/54,435,459.60
  6. Step 6: Final answer
    x = 70,746,827.74

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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.