Home / 53,717,570.60-80,404,895.10-42,380,162.60

Finding the Fourth Proportional to 53,717,570.60, 80,404,895.10 and 42,380,162.60

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Solution

The fourth proportional to 53,717,570.60, 80,404,895.10 and 42,380,162.60 is: 63,434,970.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,717,570.60 : 80,404,895.10 = 42,380,162.60 : x
  2. Step 2: Convert to fraction form
    53,717,570.60/80,404,895.10 = 42,380,162.60/x
  3. Step 3: Cross multiply
    53,717,570.60x = 80,404,895.10 × 42,380,162.60
  4. Step 4: Simplify right side
    53,717,570.60x = 3,407,572,528,173,943
  5. Step 5: Solve for x
    x = 3,407,572,528,173,943/53,717,570.60
  6. Step 6: Final answer
    x = 63,434,970.91

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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.