Home / 202,691,981.80-279,947,356.50-133,386,738.76

Finding the Fourth Proportional to 202,691,981.80, 279,947,356.50 and 133,386,738.76

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Solution

The fourth proportional to 202,691,981.80, 279,947,356.50 and 133,386,738.76 is: 184,226,650.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,691,981.80 : 279,947,356.50 = 133,386,738.76 : x
  2. Step 2: Convert to fraction form
    202,691,981.80/279,947,356.50 = 133,386,738.76/x
  3. Step 3: Cross multiply
    202,691,981.80x = 279,947,356.50 × 133,386,738.76
  4. Step 4: Simplify right side
    202,691,981.80x = 37,341,264,908,018,088
  5. Step 5: Solve for x
    x = 37,341,264,908,018,088/202,691,981.80
  6. Step 6: Final answer
    x = 184,226,650.59

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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.