Home / 100,525,995.01-138,717,698.21-56,470,600.45

Finding the Fourth Proportional to 100,525,995.01, 138,717,698.21 and 56,470,600.45

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Solution

The fourth proportional to 100,525,995.01, 138,717,698.21 and 56,470,600.45 is: 77,924,836.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,525,995.01 : 138,717,698.21 = 56,470,600.45 : x
  2. Step 2: Convert to fraction form
    100,525,995.01/138,717,698.21 = 56,470,600.45/x
  3. Step 3: Cross multiply
    100,525,995.01x = 138,717,698.21 × 56,470,600.45
  4. Step 4: Simplify right side
    100,525,995.01x = 7,833,471,710,678,238
  5. Step 5: Solve for x
    x = 7,833,471,710,678,238/100,525,995.01
  6. Step 6: Final answer
    x = 77,924,836.36

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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.