Home / 83,751,036.90-125,626,555.35-64,380,012.45

Finding the Fourth Proportional to 83,751,036.90, 125,626,555.35 and 64,380,012.45

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Solution

The fourth proportional to 83,751,036.90, 125,626,555.35 and 64,380,012.45 is: 96,570,018.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,751,036.90 : 125,626,555.35 = 64,380,012.45 : x
  2. Step 2: Convert to fraction form
    83,751,036.90/125,626,555.35 = 64,380,012.45/x
  3. Step 3: Cross multiply
    83,751,036.90x = 125,626,555.35 × 64,380,012.45
  4. Step 4: Simplify right side
    83,751,036.90x = 8,087,839,197,483,614
  5. Step 5: Solve for x
    x = 8,087,839,197,483,614/83,751,036.90
  6. Step 6: Final answer
    x = 96,570,018.68

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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.