Home / 198,721,055.16-298,209,127.67-96,429,291.48

Finding the Fourth Proportional to 198,721,055.16, 298,209,127.67 and 96,429,291.48

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Solution

The fourth proportional to 198,721,055.16, 298,209,127.67 and 96,429,291.48 is: 144,705,828.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,721,055.16 : 298,209,127.67 = 96,429,291.48 : x
  2. Step 2: Convert to fraction form
    198,721,055.16/298,209,127.67 = 96,429,291.48/x
  3. Step 3: Cross multiply
    198,721,055.16x = 298,209,127.67 × 96,429,291.48
  4. Step 4: Simplify right side
    198,721,055.16x = 28,756,094,893,966,428
  5. Step 5: Solve for x
    x = 28,756,094,893,966,428/198,721,055.16
  6. Step 6: Final answer
    x = 144,705,828.33

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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.