Home / 74,903,220.80-112,354,831.20-52,209,742.40

Finding the Fourth Proportional to 74,903,220.80, 112,354,831.20 and 52,209,742.40

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Solution

The fourth proportional to 74,903,220.80, 112,354,831.20 and 52,209,742.40 is: 78,314,613.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,903,220.80 : 112,354,831.20 = 52,209,742.40 : x
  2. Step 2: Convert to fraction form
    74,903,220.80/112,354,831.20 = 52,209,742.40/x
  3. Step 3: Cross multiply
    74,903,220.80x = 112,354,831.20 × 52,209,742.40
  4. Step 4: Simplify right side
    74,903,220.80x = 5,866,016,794,347,483
  5. Step 5: Solve for x
    x = 5,866,016,794,347,483/74,903,220.80
  6. Step 6: Final answer
    x = 78,314,613.60

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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.