Home / 120,587,125.51-166,410,315.28-67,656,526.32

Finding the Fourth Proportional to 120,587,125.51, 166,410,315.28 and 67,656,526.32

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Solution

The fourth proportional to 120,587,125.51, 166,410,315.28 and 67,656,526.32 is: 93,366,052.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,587,125.51 : 166,410,315.28 = 67,656,526.32 : x
  2. Step 2: Convert to fraction form
    120,587,125.51/166,410,315.28 = 67,656,526.32/x
  3. Step 3: Cross multiply
    120,587,125.51x = 166,410,315.28 × 67,656,526.32
  4. Step 4: Simplify right side
    120,587,125.51x = 11,258,743,875,660,818
  5. Step 5: Solve for x
    x = 11,258,743,875,660,818/120,587,125.51
  6. Step 6: Final answer
    x = 93,366,052.37

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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.