Home / 74,898,220.80-112,347,331.20-52,204,742.40

Finding the Fourth Proportional to 74,898,220.80, 112,347,331.20 and 52,204,742.40

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Solution

The fourth proportional to 74,898,220.80, 112,347,331.20 and 52,204,742.40 is: 78,307,113.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,898,220.80 : 112,347,331.20 = 52,204,742.40 : x
  2. Step 2: Convert to fraction form
    74,898,220.80/112,347,331.20 = 52,204,742.40/x
  3. Step 3: Cross multiply
    74,898,220.80x = 112,347,331.20 × 52,204,742.40
  4. Step 4: Simplify right side
    74,898,220.80x = 5,865,063,484,623,483
  5. Step 5: Solve for x
    x = 5,865,063,484,623,483/74,898,220.80
  6. Step 6: Final answer
    x = 78,307,113.60

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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.