Home / 76,875,557.12-106,088,258.16-42,068,238.36

Finding the Fourth Proportional to 76,875,557.12, 106,088,258.16 and 42,068,238.36

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Solution

The fourth proportional to 76,875,557.12, 106,088,258.16 and 42,068,238.36 is: 58,054,163.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,875,557.12 : 106,088,258.16 = 42,068,238.36 : x
  2. Step 2: Convert to fraction form
    76,875,557.12/106,088,258.16 = 42,068,238.36/x
  3. Step 3: Cross multiply
    76,875,557.12x = 106,088,258.16 × 42,068,238.36
  4. Step 4: Simplify right side
    76,875,557.12x = 4,462,946,131,472,095
  5. Step 5: Solve for x
    x = 4,462,946,131,472,095/76,875,557.12
  6. Step 6: Final answer
    x = 58,054,163.10

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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.