Home / 161,662,085.60-242,493,128.40-97,164,831.20

Finding the Fourth Proportional to 161,662,085.60, 242,493,128.40 and 97,164,831.20

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Solution

The fourth proportional to 161,662,085.60, 242,493,128.40 and 97,164,831.20 is: 145,747,246.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,662,085.60 : 242,493,128.40 = 97,164,831.20 : x
  2. Step 2: Convert to fraction form
    161,662,085.60/242,493,128.40 = 97,164,831.20/x
  3. Step 3: Cross multiply
    161,662,085.60x = 242,493,128.40 × 97,164,831.20
  4. Step 4: Simplify right side
    161,662,085.60x = 23,561,803,888,145,928
  5. Step 5: Solve for x
    x = 23,561,803,888,145,928/161,662,085.60
  6. Step 6: Final answer
    x = 145,747,246.80

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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.