Home / 220,779,391.60-304,677,603.29-121,663,685.71

Finding the Fourth Proportional to 220,779,391.60, 304,677,603.29 and 121,663,685.71

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Solution

The fourth proportional to 220,779,391.60, 304,677,603.29 and 121,663,685.71 is: 167,897,012.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,779,391.60 : 304,677,603.29 = 121,663,685.71 : x
  2. Step 2: Convert to fraction form
    220,779,391.60/304,677,603.29 = 121,663,685.71/x
  3. Step 3: Cross multiply
    220,779,391.60x = 304,677,603.29 × 121,663,685.71
  4. Step 4: Simplify right side
    220,779,391.60x = 37,068,200,169,550,624
  5. Step 5: Solve for x
    x = 37,068,200,169,550,624/220,779,391.60
  6. Step 6: Final answer
    x = 167,897,012.04

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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.