Home / 106,775,820.80-160,163,731.20-38,629,030.40

Finding the Fourth Proportional to 106,775,820.80, 160,163,731.20 and 38,629,030.40

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Solution

The fourth proportional to 106,775,820.80, 160,163,731.20 and 38,629,030.40 is: 57,943,545.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,775,820.80 : 160,163,731.20 = 38,629,030.40 : x
  2. Step 2: Convert to fraction form
    106,775,820.80/160,163,731.20 = 38,629,030.40/x
  3. Step 3: Cross multiply
    106,775,820.80x = 160,163,731.20 × 38,629,030.40
  4. Step 4: Simplify right side
    106,775,820.80x = 6,186,969,641,502,228
  5. Step 5: Solve for x
    x = 6,186,969,641,502,228/106,775,820.80
  6. Step 6: Final answer
    x = 57,943,545.60

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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.