Home / 108,870,692.40-163,306,038.60-108,114,865.20

Finding the Fourth Proportional to 108,870,692.40, 163,306,038.60 and 108,114,865.20

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Solution

The fourth proportional to 108,870,692.40, 163,306,038.60 and 108,114,865.20 is: 162,172,297.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,870,692.40 : 163,306,038.60 = 108,114,865.20 : x
  2. Step 2: Convert to fraction form
    108,870,692.40/163,306,038.60 = 108,114,865.20/x
  3. Step 3: Cross multiply
    108,870,692.40x = 163,306,038.60 × 108,114,865.20
  4. Step 4: Simplify right side
    108,870,692.40x = 17,655,810,349,584,996
  5. Step 5: Solve for x
    x = 17,655,810,349,584,996/108,870,692.40
  6. Step 6: Final answer
    x = 162,172,297.80

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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.