Home / 55,477,712.40-83,216,827.80-19,575,920.40

Finding the Fourth Proportional to 55,477,712.40, 83,216,827.80 and 19,575,920.40

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Solution

The fourth proportional to 55,477,712.40, 83,216,827.80 and 19,575,920.40 is: 29,363,972.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,477,712.40 : 83,216,827.80 = 19,575,920.40 : x
  2. Step 2: Convert to fraction form
    55,477,712.40/83,216,827.80 = 19,575,920.40/x
  3. Step 3: Cross multiply
    55,477,712.40x = 83,216,827.80 × 19,575,920.40
  4. Step 4: Simplify right side
    55,477,712.40x = 1,629,045,996,953,307
  5. Step 5: Solve for x
    x = 1,629,045,996,953,307/55,477,712.40
  6. Step 6: Final answer
    x = 29,363,972.06

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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.