Home / 213,656,487.90-294,842,421.27-120,833,511.90

Finding the Fourth Proportional to 213,656,487.90, 294,842,421.27 and 120,833,511.90

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Solution

The fourth proportional to 213,656,487.90, 294,842,421.27 and 120,833,511.90 is: 166,748,248.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,656,487.90 : 294,842,421.27 = 120,833,511.90 : x
  2. Step 2: Convert to fraction form
    213,656,487.90/294,842,421.27 = 120,833,511.90/x
  3. Step 3: Cross multiply
    213,656,487.90x = 294,842,421.27 × 120,833,511.90
  4. Step 4: Simplify right side
    213,656,487.90x = 35,626,845,219,153,356
  5. Step 5: Solve for x
    x = 35,626,845,219,153,356/213,656,487.90
  6. Step 6: Final answer
    x = 166,748,248.88

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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.