Home / 157,788,016.80-236,682,025.20-103,368,458.40

Finding the Fourth Proportional to 157,788,016.80, 236,682,025.20 and 103,368,458.40

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Solution

The fourth proportional to 157,788,016.80, 236,682,025.20 and 103,368,458.40 is: 155,052,687.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,788,016.80 : 236,682,025.20 = 103,368,458.40 : x
  2. Step 2: Convert to fraction form
    157,788,016.80/236,682,025.20 = 103,368,458.40/x
  3. Step 3: Cross multiply
    157,788,016.80x = 236,682,025.20 × 103,368,458.40
  4. Step 4: Simplify right side
    157,788,016.80x = 24,465,456,075,913,952
  5. Step 5: Solve for x
    x = 24,465,456,075,913,952/157,788,016.80
  6. Step 6: Final answer
    x = 155,052,687.60

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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.