Home / 168,108,547.60-252,210,060.60-81,849,768.40

Finding the Fourth Proportional to 168,108,547.60, 252,210,060.60 and 81,849,768.40

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Solution

The fourth proportional to 168,108,547.60, 252,210,060.60 and 81,849,768.40 is: 122,797,652.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,108,547.60 : 252,210,060.60 = 81,849,768.40 : x
  2. Step 2: Convert to fraction form
    168,108,547.60/252,210,060.60 = 81,849,768.40/x
  3. Step 3: Cross multiply
    168,108,547.60x = 252,210,060.60 × 81,849,768.40
  4. Step 4: Simplify right side
    168,108,547.60x = 20,643,335,048,259,968
  5. Step 5: Solve for x
    x = 20,643,335,048,259,968/168,108,547.60
  6. Step 6: Final answer
    x = 122,797,652.72

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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.