Home / 218,776,476.41-301,878,000.65-125,939,045.69

Finding the Fourth Proportional to 218,776,476.41, 301,878,000.65 and 125,939,045.69

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Solution

The fourth proportional to 218,776,476.41, 301,878,000.65 and 125,939,045.69 is: 173,776,577.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,776,476.41 : 301,878,000.65 = 125,939,045.69 : x
  2. Step 2: Convert to fraction form
    218,776,476.41/301,878,000.65 = 125,939,045.69/x
  3. Step 3: Cross multiply
    218,776,476.41x = 301,878,000.65 × 125,939,045.69
  4. Step 4: Simplify right side
    218,776,476.41x = 38,018,227,315,471,656
  5. Step 5: Solve for x
    x = 38,018,227,315,471,656/218,776,476.41
  6. Step 6: Final answer
    x = 173,776,577.54

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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.