Home / 57,276,335.05-78,986,392.65-38,480,383.31

Finding the Fourth Proportional to 57,276,335.05, 78,986,392.65 and 38,480,383.31

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Solution

The fourth proportional to 57,276,335.05, 78,986,392.65 and 38,480,383.31 is: 53,066,011.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,276,335.05 : 78,986,392.65 = 38,480,383.31 : x
  2. Step 2: Convert to fraction form
    57,276,335.05/78,986,392.65 = 38,480,383.31/x
  3. Step 3: Cross multiply
    57,276,335.05x = 78,986,392.65 × 38,480,383.31
  4. Step 4: Simplify right side
    57,276,335.05x = 3,039,426,665,495,533.50
  5. Step 5: Solve for x
    x = 3,039,426,665,495,533.50/57,276,335.05
  6. Step 6: Final answer
    x = 53,066,011.70

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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.