Home / 74,748,009.20-112,122,013.80-23,645,692.40

Finding the Fourth Proportional to 74,748,009.20, 112,122,013.80 and 23,645,692.40

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Solution

The fourth proportional to 74,748,009.20, 112,122,013.80 and 23,645,692.40 is: 35,468,538.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,748,009.20 : 112,122,013.80 = 23,645,692.40 : x
  2. Step 2: Convert to fraction form
    74,748,009.20/112,122,013.80 = 23,645,692.40/x
  3. Step 3: Cross multiply
    74,748,009.20x = 112,122,013.80 × 23,645,692.40
  4. Step 4: Simplify right side
    74,748,009.20x = 2,651,202,649,583,355
  5. Step 5: Solve for x
    x = 2,651,202,649,583,355/74,748,009.20
  6. Step 6: Final answer
    x = 35,468,538.60

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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.