Home / 76,687,653.60-115,031,480.40-59,555,570.40

Finding the Fourth Proportional to 76,687,653.60, 115,031,480.40 and 59,555,570.40

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Solution

The fourth proportional to 76,687,653.60, 115,031,480.40 and 59,555,570.40 is: 89,333,355.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,687,653.60 : 115,031,480.40 = 59,555,570.40 : x
  2. Step 2: Convert to fraction form
    76,687,653.60/115,031,480.40 = 59,555,570.40/x
  3. Step 3: Cross multiply
    76,687,653.60x = 115,031,480.40 × 59,555,570.40
  4. Step 4: Simplify right side
    76,687,653.60x = 6,850,765,429,178,420
  5. Step 5: Solve for x
    x = 6,850,765,429,178,420/76,687,653.60
  6. Step 6: Final answer
    x = 89,333,355.60

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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.