Home / 402,141,826.98-555,011,664.26-225,943,460.10

Finding the Fourth Proportional to 402,141,826.98, 555,011,664.26 and 225,943,460.10

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Solution

The fourth proportional to 402,141,826.98, 555,011,664.26 and 225,943,460.10 is: 311,833,406.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,141,826.98 : 555,011,664.26 = 225,943,460.10 : x
  2. Step 2: Convert to fraction form
    402,141,826.98/555,011,664.26 = 225,943,460.10/x
  3. Step 3: Cross multiply
    402,141,826.98x = 555,011,664.26 × 225,943,460.10
  4. Step 4: Simplify right side
    402,141,826.98x = 125,401,255,817,634,192
  5. Step 5: Solve for x
    x = 125,401,255,817,634,192/402,141,826.98
  6. Step 6: Final answer
    x = 311,833,406.54

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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.