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Finding the Fourth Proportional to 58,035,674.10, 86,978,861.55 and 35,292,429.30

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Solution

The fourth proportional to 58,035,674.10, 86,978,861.55 and 35,292,429.30 is: 52,893,248.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,035,674.10 : 86,978,861.55 = 35,292,429.30 : x
  2. Step 2: Convert to fraction form
    58,035,674.10/86,978,861.55 = 35,292,429.30/x
  3. Step 3: Cross multiply
    58,035,674.10x = 86,978,861.55 × 35,292,429.30
  4. Step 4: Simplify right side
    58,035,674.10x = 3,069,695,321,847,863
  5. Step 5: Solve for x
    x = 3,069,695,321,847,863/58,035,674.10
  6. Step 6: Final answer
    x = 52,893,248.32

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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.