Home / 198,938,920.38-297,009,595.40-152,006,784.36

Finding the Fourth Proportional to 198,938,920.38, 297,009,595.40 and 152,006,784.36

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Solution

The fourth proportional to 198,938,920.38, 297,009,595.40 and 152,006,784.36 is: 226,941,381.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,938,920.38 : 297,009,595.40 = 152,006,784.36 : x
  2. Step 2: Convert to fraction form
    198,938,920.38/297,009,595.40 = 152,006,784.36/x
  3. Step 3: Cross multiply
    198,938,920.38x = 297,009,595.40 × 152,006,784.36
  4. Step 4: Simplify right side
    198,938,920.38x = 45,147,473,520,818,648
  5. Step 5: Solve for x
    x = 45,147,473,520,818,648/198,938,920.38
  6. Step 6: Final answer
    x = 226,941,381.98

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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.