Home / 115,452,914.80-159,264,618-71,385,827.12

Finding the Fourth Proportional to 115,452,914.80, 159,264,618 and 71,385,827.12

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Solution

The fourth proportional to 115,452,914.80, 159,264,618 and 71,385,827.12 is: 98,475,092.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,452,914.80 : 159,264,618 = 71,385,827.12 : x
  2. Step 2: Convert to fraction form
    115,452,914.80/159,264,618 = 71,385,827.12/x
  3. Step 3: Cross multiply
    115,452,914.80x = 159,264,618 × 71,385,827.12
  4. Step 4: Simplify right side
    115,452,914.80x = 11,369,236,486,880,840
  5. Step 5: Solve for x
    x = 11,369,236,486,880,840/115,452,914.80
  6. Step 6: Final answer
    x = 98,475,092.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.