Home / 125,127,410.24-187,559,729.42-42,100,339.88

Finding the Fourth Proportional to 125,127,410.24, 187,559,729.42 and 42,100,339.88

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Solution

The fourth proportional to 125,127,410.24, 187,559,729.42 and 42,100,339.88 is: 63,106,303.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,127,410.24 : 187,559,729.42 = 42,100,339.88 : x
  2. Step 2: Convert to fraction form
    125,127,410.24/187,559,729.42 = 42,100,339.88/x
  3. Step 3: Cross multiply
    125,127,410.24x = 187,559,729.42 × 42,100,339.88
  4. Step 4: Simplify right side
    125,127,410.24x = 7,896,328,356,641,233
  5. Step 5: Solve for x
    x = 7,896,328,356,641,233/125,127,410.24
  6. Step 6: Final answer
    x = 63,106,303.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.