Home / 199,472,637.40-299,208,956.10-122,945,133.40

Finding the Fourth Proportional to 199,472,637.40, 299,208,956.10 and 122,945,133.40

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Solution

The fourth proportional to 199,472,637.40, 299,208,956.10 and 122,945,133.40 is: 184,417,700.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,472,637.40 : 299,208,956.10 = 122,945,133.40 : x
  2. Step 2: Convert to fraction form
    199,472,637.40/299,208,956.10 = 122,945,133.40/x
  3. Step 3: Cross multiply
    199,472,637.40x = 299,208,956.10 × 122,945,133.40
  4. Step 4: Simplify right side
    199,472,637.40x = 36,786,285,022,189,248
  5. Step 5: Solve for x
    x = 36,786,285,022,189,248/199,472,637.40
  6. Step 6: Final answer
    x = 184,417,700.10

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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.