Home / 148,434,177.36-221,446,030.02-140,398,788.72

Finding the Fourth Proportional to 148,434,177.36, 221,446,030.02 and 140,398,788.72

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Solution

The fourth proportional to 148,434,177.36, 221,446,030.02 and 140,398,788.72 is: 209,458,191.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,434,177.36 : 221,446,030.02 = 140,398,788.72 : x
  2. Step 2: Convert to fraction form
    148,434,177.36/221,446,030.02 = 140,398,788.72/x
  3. Step 3: Cross multiply
    148,434,177.36x = 221,446,030.02 × 140,398,788.72
  4. Step 4: Simplify right side
    148,434,177.36x = 31,090,754,381,660,760
  5. Step 5: Solve for x
    x = 31,090,754,381,660,760/148,434,177.36
  6. Step 6: Final answer
    x = 209,458,191.74

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.