Home / 169,989,103.80-254,983,655.70-54,985,271.40

Finding the Fourth Proportional to 169,989,103.80, 254,983,655.70 and 54,985,271.40

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Solution

The fourth proportional to 169,989,103.80, 254,983,655.70 and 54,985,271.40 is: 82,477,907.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,989,103.80 : 254,983,655.70 = 54,985,271.40 : x
  2. Step 2: Convert to fraction form
    169,989,103.80/254,983,655.70 = 54,985,271.40/x
  3. Step 3: Cross multiply
    169,989,103.80x = 254,983,655.70 × 54,985,271.40
  4. Step 4: Simplify right side
    169,989,103.80x = 14,020,345,511,228,656
  5. Step 5: Solve for x
    x = 14,020,345,511,228,656/169,989,103.80
  6. Step 6: Final answer
    x = 82,477,907.10

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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.