Home / 77,712,613.59-107,241,268.81-42,904,671.51

Finding the Fourth Proportional to 77,712,613.59, 107,241,268.81 and 42,904,671.51

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Solution

The fourth proportional to 77,712,613.59, 107,241,268.81 and 42,904,671.51 is: 59,207,266.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,712,613.59 : 107,241,268.81 = 42,904,671.51 : x
  2. Step 2: Convert to fraction form
    77,712,613.59/107,241,268.81 = 42,904,671.51/x
  3. Step 3: Cross multiply
    77,712,613.59x = 107,241,268.81 × 42,904,671.51
  4. Step 4: Simplify right side
    77,712,613.59x = 4,601,151,410,608,658
  5. Step 5: Solve for x
    x = 4,601,151,410,608,658/77,712,613.59
  6. Step 6: Final answer
    x = 59,207,266.34

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1.5x scale

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.