Home / 85,968,180.80-128,952,271.20-58,758,401.60

Finding the Fourth Proportional to 85,968,180.80, 128,952,271.20 and 58,758,401.60

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Solution

The fourth proportional to 85,968,180.80, 128,952,271.20 and 58,758,401.60 is: 88,137,602.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,968,180.80 : 128,952,271.20 = 58,758,401.60 : x
  2. Step 2: Convert to fraction form
    85,968,180.80/128,952,271.20 = 58,758,401.60/x
  3. Step 3: Cross multiply
    85,968,180.80x = 128,952,271.20 × 58,758,401.60
  4. Step 4: Simplify right side
    85,968,180.80x = 7,577,029,338,401,714
  5. Step 5: Solve for x
    x = 7,577,029,338,401,714/85,968,180.80
  6. Step 6: Final answer
    x = 88,137,602.40

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1.5x scale

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.