Home / 209,953,014.30-314,929,521.45-188,789,852.70

Finding the Fourth Proportional to 209,953,014.30, 314,929,521.45 and 188,789,852.70

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Solution

The fourth proportional to 209,953,014.30, 314,929,521.45 and 188,789,852.70 is: 283,184,779.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,953,014.30 : 314,929,521.45 = 188,789,852.70 : x
  2. Step 2: Convert to fraction form
    209,953,014.30/314,929,521.45 = 188,789,852.70/x
  3. Step 3: Cross multiply
    209,953,014.30x = 314,929,521.45 × 188,789,852.70
  4. Step 4: Simplify right side
    209,953,014.30x = 59,455,497,965,426,984
  5. Step 5: Solve for x
    x = 59,455,497,965,426,984/209,953,014.30
  6. Step 6: Final answer
    x = 283,184,779.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.