Home / 220,779,355.98-304,677,554.28-121,663,650.21

Finding the Fourth Proportional to 220,779,355.98, 304,677,554.28 and 121,663,650.21

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Solution

The fourth proportional to 220,779,355.98, 304,677,554.28 and 121,663,650.21 is: 167,896,963.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,779,355.98 : 304,677,554.28 = 121,663,650.21 : x
  2. Step 2: Convert to fraction form
    220,779,355.98/304,677,554.28 = 121,663,650.21/x
  3. Step 3: Cross multiply
    220,779,355.98x = 304,677,554.28 × 121,663,650.21
  4. Step 4: Simplify right side
    220,779,355.98x = 37,068,183,390,760,200
  5. Step 5: Solve for x
    x = 37,068,183,390,760,200/220,779,355.98
  6. Step 6: Final answer
    x = 167,896,963.13

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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.