Home / 220,556,710.86-304,365,760.47-121,435,434.06

Finding the Fourth Proportional to 220,556,710.86, 304,365,760.47 and 121,435,434.06

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Solution

The fourth proportional to 220,556,710.86, 304,365,760.47 and 121,435,434.06 is: 167,579,522.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,556,710.86 : 304,365,760.47 = 121,435,434.06 : x
  2. Step 2: Convert to fraction form
    220,556,710.86/304,365,760.47 = 121,435,434.06/x
  3. Step 3: Cross multiply
    220,556,710.86x = 304,365,760.47 × 121,435,434.06
  4. Step 4: Simplify right side
    220,556,710.86x = 36,960,788,235,676,440
  5. Step 5: Solve for x
    x = 36,960,788,235,676,440/220,556,710.86
  6. Step 6: Final answer
    x = 167,579,522.25

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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.