Home / 107,348,135.60-161,022,203.40-90,342,023.60

Finding the Fourth Proportional to 107,348,135.60, 161,022,203.40 and 90,342,023.60

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Solution

The fourth proportional to 107,348,135.60, 161,022,203.40 and 90,342,023.60 is: 135,513,035.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,348,135.60 : 161,022,203.40 = 90,342,023.60 : x
  2. Step 2: Convert to fraction form
    107,348,135.60/161,022,203.40 = 90,342,023.60/x
  3. Step 3: Cross multiply
    107,348,135.60x = 161,022,203.40 × 90,342,023.60
  4. Step 4: Simplify right side
    107,348,135.60x = 14,547,071,699,686,800
  5. Step 5: Solve for x
    x = 14,547,071,699,686,800/107,348,135.60
  6. Step 6: Final answer
    x = 135,513,035.40

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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.