Home / 56,793,620.60-85,190,430.90-18,459,009.80

Finding the Fourth Proportional to 56,793,620.60, 85,190,430.90 and 18,459,009.80

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Solution

The fourth proportional to 56,793,620.60, 85,190,430.90 and 18,459,009.80 is: 27,688,514.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,793,620.60 : 85,190,430.90 = 18,459,009.80 : x
  2. Step 2: Convert to fraction form
    56,793,620.60/85,190,430.90 = 18,459,009.80/x
  3. Step 3: Cross multiply
    56,793,620.60x = 85,190,430.90 × 18,459,009.80
  4. Step 4: Simplify right side
    56,793,620.60x = 1,572,530,998,849,323
  5. Step 5: Solve for x
    x = 1,572,530,998,849,323/56,793,620.60
  6. Step 6: Final answer
    x = 27,688,514.70

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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.