Home / 76,734,145.60-115,101,218.40-52,547,675.20

Finding the Fourth Proportional to 76,734,145.60, 115,101,218.40 and 52,547,675.20

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Solution

The fourth proportional to 76,734,145.60, 115,101,218.40 and 52,547,675.20 is: 78,821,512.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,734,145.60 : 115,101,218.40 = 52,547,675.20 : x
  2. Step 2: Convert to fraction form
    76,734,145.60/115,101,218.40 = 52,547,675.20/x
  3. Step 3: Cross multiply
    76,734,145.60x = 115,101,218.40 × 52,547,675.20
  4. Step 4: Simplify right side
    76,734,145.60x = 6,048,301,439,607,464
  5. Step 5: Solve for x
    x = 6,048,301,439,607,464/76,734,145.60
  6. Step 6: Final answer
    x = 78,821,512.80

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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.