Home / 70,601,718.06-97,432,868.54-39,240,392.40

Finding the Fourth Proportional to 70,601,718.06, 97,432,868.54 and 39,240,392.40

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Solution

The fourth proportional to 70,601,718.06, 97,432,868.54 and 39,240,392.40 is: 54,153,129.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,601,718.06 : 97,432,868.54 = 39,240,392.40 : x
  2. Step 2: Convert to fraction form
    70,601,718.06/97,432,868.54 = 39,240,392.40/x
  3. Step 3: Cross multiply
    70,601,718.06x = 97,432,868.54 × 39,240,392.40
  4. Step 4: Simplify right side
    70,601,718.06x = 3,823,303,993,971,013
  5. Step 5: Solve for x
    x = 3,823,303,993,971,013/70,601,718.06
  6. Step 6: Final answer
    x = 54,153,129.68

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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.