Home / 308,547,271.83-425,807,511.39-169,323,015.90

Finding the Fourth Proportional to 308,547,271.83, 425,807,511.39 and 169,323,015.90

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Solution

The fourth proportional to 308,547,271.83, 425,807,511.39 and 169,323,015.90 is: 233,672,498.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,547,271.83 : 425,807,511.39 = 169,323,015.90 : x
  2. Step 2: Convert to fraction form
    308,547,271.83/425,807,511.39 = 169,323,015.90/x
  3. Step 3: Cross multiply
    308,547,271.83x = 425,807,511.39 × 169,323,015.90
  4. Step 4: Simplify right side
    308,547,271.83x = 72,099,012,021,428,400
  5. Step 5: Solve for x
    x = 72,099,012,021,428,400/308,547,271.83
  6. Step 6: Final answer
    x = 233,672,498.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.