Home / 85,536,064.80-128,080,148.40-62,693,287.20

Finding the Fourth Proportional to 85,536,064.80, 128,080,148.40 and 62,693,287.20

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Solution

The fourth proportional to 85,536,064.80, 128,080,148.40 and 62,693,287.20 is: 93,875,788.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,536,064.80 : 128,080,148.40 = 62,693,287.20 : x
  2. Step 2: Convert to fraction form
    85,536,064.80/128,080,148.40 = 62,693,287.20/x
  3. Step 3: Cross multiply
    85,536,064.80x = 128,080,148.40 × 62,693,287.20
  4. Step 4: Simplify right side
    85,536,064.80x = 8,029,765,528,259,821
  5. Step 5: Solve for x
    x = 8,029,765,528,259,821/85,536,064.80
  6. Step 6: Final answer
    x = 93,875,788.50

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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.