Home / 227,931,313.23-314,510,427.95-128,775,881.82

Finding the Fourth Proportional to 227,931,313.23, 314,510,427.95 and 128,775,881.82

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Solution

The fourth proportional to 227,931,313.23, 314,510,427.95 and 128,775,881.82 is: 177,691,064.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,931,313.23 : 314,510,427.95 = 128,775,881.82 : x
  2. Step 2: Convert to fraction form
    227,931,313.23/314,510,427.95 = 128,775,881.82/x
  3. Step 3: Cross multiply
    227,931,313.23x = 314,510,427.95 × 128,775,881.82
  4. Step 4: Simplify right side
    227,931,313.23x = 40,501,357,700,202,944
  5. Step 5: Solve for x
    x = 40,501,357,700,202,944/227,931,313.23
  6. Step 6: Final answer
    x = 177,691,064.59

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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.