Home / 221,435,407.40-332,153,111.10-164,039,779.40

Finding the Fourth Proportional to 221,435,407.40, 332,153,111.10 and 164,039,779.40

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Solution

The fourth proportional to 221,435,407.40, 332,153,111.10 and 164,039,779.40 is: 246,059,669.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,435,407.40 : 332,153,111.10 = 164,039,779.40 : x
  2. Step 2: Convert to fraction form
    221,435,407.40/332,153,111.10 = 164,039,779.40/x
  3. Step 3: Cross multiply
    221,435,407.40x = 332,153,111.10 × 164,039,779.40
  4. Step 4: Simplify right side
    221,435,407.40x = 54,486,323,071,867,696
  5. Step 5: Solve for x
    x = 54,486,323,071,867,696/221,435,407.40
  6. Step 6: Final answer
    x = 246,059,669.10

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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.