Home / 72,157,097.60-108,235,646.40-33,893,345.60

Finding the Fourth Proportional to 72,157,097.60, 108,235,646.40 and 33,893,345.60

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Solution

The fourth proportional to 72,157,097.60, 108,235,646.40 and 33,893,345.60 is: 50,840,018.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,157,097.60 : 108,235,646.40 = 33,893,345.60 : x
  2. Step 2: Convert to fraction form
    72,157,097.60/108,235,646.40 = 33,893,345.60/x
  3. Step 3: Cross multiply
    72,157,097.60x = 108,235,646.40 × 33,893,345.60
  4. Step 4: Simplify right side
    72,157,097.60x = 3,668,468,169,674,596
  5. Step 5: Solve for x
    x = 3,668,468,169,674,596/72,157,097.60
  6. Step 6: Final answer
    x = 50,840,018.40

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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.