Home / 291,234,258.30-401,900,888-159,075,339.10

Finding the Fourth Proportional to 291,234,258.30, 401,900,888 and 159,075,339.10

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Solution

The fourth proportional to 291,234,258.30, 401,900,888 and 159,075,339.10 is: 219,522,663.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,234,258.30 : 401,900,888 = 159,075,339.10 : x
  2. Step 2: Convert to fraction form
    291,234,258.30/401,900,888 = 159,075,339.10/x
  3. Step 3: Cross multiply
    291,234,258.30x = 401,900,888 × 159,075,339.10
  4. Step 4: Simplify right side
    291,234,258.30x = 63,932,520,043,191,120
  5. Step 5: Solve for x
    x = 63,932,520,043,191,120/291,234,258.30
  6. Step 6: Final answer
    x = 219,522,663.36

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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.