Home / 199,298,045.40-298,947,068.10-172,035,122.10

Finding the Fourth Proportional to 199,298,045.40, 298,947,068.10 and 172,035,122.10

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Solution

The fourth proportional to 199,298,045.40, 298,947,068.10 and 172,035,122.10 is: 258,052,683.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,298,045.40 : 298,947,068.10 = 172,035,122.10 : x
  2. Step 2: Convert to fraction form
    199,298,045.40/298,947,068.10 = 172,035,122.10/x
  3. Step 3: Cross multiply
    199,298,045.40x = 298,947,068.10 × 172,035,122.10
  4. Step 4: Simplify right side
    199,298,045.40x = 51,429,395,362,020,520
  5. Step 5: Solve for x
    x = 51,429,395,362,020,520/199,298,045.40
  6. Step 6: Final answer
    x = 258,052,683.15

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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.