Home / 160,106,779.20-220,947,250.08-86,767,921.44

Finding the Fourth Proportional to 160,106,779.20, 220,947,250.08 and 86,767,921.44

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Solution

The fourth proportional to 160,106,779.20, 220,947,250.08 and 86,767,921.44 is: 119,739,674.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,106,779.20 : 220,947,250.08 = 86,767,921.44 : x
  2. Step 2: Convert to fraction form
    160,106,779.20/220,947,250.08 = 86,767,921.44/x
  3. Step 3: Cross multiply
    160,106,779.20x = 220,947,250.08 × 86,767,921.44
  4. Step 4: Simplify right side
    160,106,779.20x = 19,171,133,637,325,476
  5. Step 5: Solve for x
    x = 19,171,133,637,325,476/160,106,779.20
  6. Step 6: Final answer
    x = 119,739,674.57

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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.