Home / 99,639,216.01-137,502,177.07-55,586,215

Finding the Fourth Proportional to 99,639,216.01, 137,502,177.07 and 55,586,215

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Solution

The fourth proportional to 99,639,216.01, 137,502,177.07 and 55,586,215 is: 76,709,009.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,639,216.01 : 137,502,177.07 = 55,586,215 : x
  2. Step 2: Convert to fraction form
    99,639,216.01/137,502,177.07 = 55,586,215/x
  3. Step 3: Cross multiply
    99,639,216.01x = 137,502,177.07 × 55,586,215
  4. Step 4: Simplify right side
    99,639,216.01x = 7,643,225,577,303,159
  5. Step 5: Solve for x
    x = 7,643,225,577,303,159/99,639,216.01
  6. Step 6: Final answer
    x = 76,709,009.60

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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.