Home / 49,897,128.30-74,845,692.45-42,590,798.70

Finding the Fourth Proportional to 49,897,128.30, 74,845,692.45 and 42,590,798.70

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Solution

The fourth proportional to 49,897,128.30, 74,845,692.45 and 42,590,798.70 is: 63,886,198.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,897,128.30 : 74,845,692.45 = 42,590,798.70 : x
  2. Step 2: Convert to fraction form
    49,897,128.30/74,845,692.45 = 42,590,798.70/x
  3. Step 3: Cross multiply
    49,897,128.30x = 74,845,692.45 × 42,590,798.70
  4. Step 4: Simplify right side
    49,897,128.30x = 3,187,737,820,700,060
  5. Step 5: Solve for x
    x = 3,187,737,820,700,060/49,897,128.30
  6. Step 6: Final answer
    x = 63,886,198.05

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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.