Home / 145,348,720.80-217,824,015.60-118,474,864.80

Finding the Fourth Proportional to 145,348,720.80, 217,824,015.60 and 118,474,864.80

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Solution

The fourth proportional to 145,348,720.80, 217,824,015.60 and 118,474,864.80 is: 177,550,037.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,348,720.80 : 217,824,015.60 = 118,474,864.80 : x
  2. Step 2: Convert to fraction form
    145,348,720.80/217,824,015.60 = 118,474,864.80/x
  3. Step 3: Cross multiply
    145,348,720.80x = 217,824,015.60 × 118,474,864.80
  4. Step 4: Simplify right side
    145,348,720.80x = 25,806,670,798,403,088
  5. Step 5: Solve for x
    x = 25,806,670,798,403,088/145,348,720.80
  6. Step 6: Final answer
    x = 177,550,037.29

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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.