Home / 142,700,554.40-214,050,831.60-132,496,887.20

Finding the Fourth Proportional to 142,700,554.40, 214,050,831.60 and 132,496,887.20

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Solution

The fourth proportional to 142,700,554.40, 214,050,831.60 and 132,496,887.20 is: 198,745,330.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,700,554.40 : 214,050,831.60 = 132,496,887.20 : x
  2. Step 2: Convert to fraction form
    142,700,554.40/214,050,831.60 = 132,496,887.20/x
  3. Step 3: Cross multiply
    142,700,554.40x = 214,050,831.60 × 132,496,887.20
  4. Step 4: Simplify right side
    142,700,554.40x = 28,361,068,889,571,396
  5. Step 5: Solve for x
    x = 28,361,068,889,571,396/142,700,554.40
  6. Step 6: Final answer
    x = 198,745,330.80

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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.