Home / 108,621,167.40-162,931,751.10-107,865,340.20

Finding the Fourth Proportional to 108,621,167.40, 162,931,751.10 and 107,865,340.20

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Solution

The fourth proportional to 108,621,167.40, 162,931,751.10 and 107,865,340.20 is: 161,798,010.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,621,167.40 : 162,931,751.10 = 107,865,340.20 : x
  2. Step 2: Convert to fraction form
    108,621,167.40/162,931,751.10 = 107,865,340.20/x
  3. Step 3: Cross multiply
    108,621,167.40x = 162,931,751.10 × 107,865,340.20
  4. Step 4: Simplify right side
    108,621,167.40x = 17,574,688,761,783,224
  5. Step 5: Solve for x
    x = 17,574,688,761,783,224/108,621,167.40
  6. Step 6: Final answer
    x = 161,798,010.30

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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.