Home / 55,334,430.40-83,001,645.60-19,432,638.40

Finding the Fourth Proportional to 55,334,430.40, 83,001,645.60 and 19,432,638.40

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Solution

The fourth proportional to 55,334,430.40, 83,001,645.60 and 19,432,638.40 is: 29,148,957.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,334,430.40 : 83,001,645.60 = 19,432,638.40 : x
  2. Step 2: Convert to fraction form
    55,334,430.40/83,001,645.60 = 19,432,638.40/x
  3. Step 3: Cross multiply
    55,334,430.40x = 83,001,645.60 × 19,432,638.40
  4. Step 4: Simplify right side
    55,334,430.40x = 1,612,940,965,549,750.75
  5. Step 5: Solve for x
    x = 1,612,940,965,549,750.75/55,334,430.40
  6. Step 6: Final answer
    x = 29,148,957.60

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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.