Home / 144,655,594.08-199,628,319.60-78,576,071.64

Finding the Fourth Proportional to 144,655,594.08, 199,628,319.60 and 78,576,071.64

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Solution

The fourth proportional to 144,655,594.08, 199,628,319.60 and 78,576,071.64 is: 108,436,934.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,655,594.08 : 199,628,319.60 = 78,576,071.64 : x
  2. Step 2: Convert to fraction form
    144,655,594.08/199,628,319.60 = 78,576,071.64/x
  3. Step 3: Cross multiply
    144,655,594.08x = 199,628,319.60 × 78,576,071.64
  4. Step 4: Simplify right side
    144,655,594.08x = 15,686,009,142,262,416
  5. Step 5: Solve for x
    x = 15,686,009,142,262,416/144,655,594.08
  6. Step 6: Final answer
    x = 108,436,934.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.