Home / 316,921,795.68-437,247,533.52-191,427,100.32

Finding the Fourth Proportional to 316,921,795.68, 437,247,533.52 and 191,427,100.32

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Solution

The fourth proportional to 316,921,795.68, 437,247,533.52 and 191,427,100.32 is: 264,106,251.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,921,795.68 : 437,247,533.52 = 191,427,100.32 : x
  2. Step 2: Convert to fraction form
    316,921,795.68/437,247,533.52 = 191,427,100.32/x
  3. Step 3: Cross multiply
    316,921,795.68x = 437,247,533.52 × 191,427,100.32
  4. Step 4: Simplify right side
    316,921,795.68x = 83,701,027,463,805,600
  5. Step 5: Solve for x
    x = 83,701,027,463,805,600/316,921,795.68
  6. Step 6: Final answer
    x = 264,106,251.46

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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.