Home / 198,721,057.16-298,209,130.67-96,429,293.48

Finding the Fourth Proportional to 198,721,057.16, 298,209,130.67 and 96,429,293.48

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Solution

The fourth proportional to 198,721,057.16, 298,209,130.67 and 96,429,293.48 is: 144,705,831.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,721,057.16 : 298,209,130.67 = 96,429,293.48 : x
  2. Step 2: Convert to fraction form
    198,721,057.16/298,209,130.67 = 96,429,293.48/x
  3. Step 3: Cross multiply
    198,721,057.16x = 298,209,130.67 × 96,429,293.48
  4. Step 4: Simplify right side
    198,721,057.16x = 28,756,095,779,793,100
  5. Step 5: Solve for x
    x = 28,756,095,779,793,100/198,721,057.16
  6. Step 6: Final answer
    x = 144,705,831.33

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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.