Home / 70,257,065.21-96,964,896.08-40,482,013.07

Finding the Fourth Proportional to 70,257,065.21, 96,964,896.08 and 40,482,013.07

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Solution

The fourth proportional to 70,257,065.21, 96,964,896.08 and 40,482,013.07 is: 55,871,024.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,257,065.21 : 96,964,896.08 = 40,482,013.07 : x
  2. Step 2: Convert to fraction form
    70,257,065.21/96,964,896.08 = 40,482,013.07/x
  3. Step 3: Cross multiply
    70,257,065.21x = 96,964,896.08 × 40,482,013.07
  4. Step 4: Simplify right side
    70,257,065.21x = 3,925,334,190,785,368.50
  5. Step 5: Solve for x
    x = 3,925,334,190,785,368.50/70,257,065.21
  6. Step 6: Final answer
    x = 55,871,024.20

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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.