Home / 108,621,740.70-162,720,034.65-65,362,443.30

Finding the Fourth Proportional to 108,621,740.70, 162,720,034.65 and 65,362,443.30

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Solution

The fourth proportional to 108,621,740.70, 162,720,034.65 and 65,362,443.30 is: 97,915,748.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,621,740.70 : 162,720,034.65 = 65,362,443.30 : x
  2. Step 2: Convert to fraction form
    108,621,740.70/162,720,034.65 = 65,362,443.30/x
  3. Step 3: Cross multiply
    108,621,740.70x = 162,720,034.65 × 65,362,443.30
  4. Step 4: Simplify right side
    108,621,740.70x = 10,635,779,038,584,660
  5. Step 5: Solve for x
    x = 10,635,779,038,584,660/108,621,740.70
  6. Step 6: Final answer
    x = 97,915,748.45

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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.