Home / 179,698,037.80-269,547,056.70-172,643,650.60

Finding the Fourth Proportional to 179,698,037.80, 269,547,056.70 and 172,643,650.60

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Solution

The fourth proportional to 179,698,037.80, 269,547,056.70 and 172,643,650.60 is: 258,965,475.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,698,037.80 : 269,547,056.70 = 172,643,650.60 : x
  2. Step 2: Convert to fraction form
    179,698,037.80/269,547,056.70 = 172,643,650.60/x
  3. Step 3: Cross multiply
    179,698,037.80x = 269,547,056.70 × 172,643,650.60
  4. Step 4: Simplify right side
    179,698,037.80x = 46,535,587,877,173,184
  5. Step 5: Solve for x
    x = 46,535,587,877,173,184/179,698,037.80
  6. Step 6: Final answer
    x = 258,965,475.90

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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.