Home / 291,386,178.01-402,113,931.89-159,227,180.45

Finding the Fourth Proportional to 291,386,178.01, 402,113,931.89 and 159,227,180.45

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Solution

The fourth proportional to 291,386,178.01, 402,113,931.89 and 159,227,180.45 is: 219,734,058.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,386,178.01 : 402,113,931.89 = 159,227,180.45 : x
  2. Step 2: Convert to fraction form
    291,386,178.01/402,113,931.89 = 159,227,180.45/x
  3. Step 3: Cross multiply
    291,386,178.01x = 402,113,931.89 × 159,227,180.45
  4. Step 4: Simplify right side
    291,386,178.01x = 64,027,467,594,508,032
  5. Step 5: Solve for x
    x = 64,027,467,594,508,032/291,386,178.01
  6. Step 6: Final answer
    x = 219,734,058.88

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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.