Home / 109,835,607.84-165,010,668.60-103,630,935.76

Finding the Fourth Proportional to 109,835,607.84, 165,010,668.60 and 103,630,935.76

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Solution

The fourth proportional to 109,835,607.84, 165,010,668.60 and 103,630,935.76 is: 155,689,127.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,835,607.84 : 165,010,668.60 = 103,630,935.76 : x
  2. Step 2: Convert to fraction form
    109,835,607.84/165,010,668.60 = 103,630,935.76/x
  3. Step 3: Cross multiply
    109,835,607.84x = 165,010,668.60 × 103,630,935.76
  4. Step 4: Simplify right side
    109,835,607.84x = 17,100,209,997,401,250
  5. Step 5: Solve for x
    x = 17,100,209,997,401,250/109,835,607.84
  6. Step 6: Final answer
    x = 155,689,127.90

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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.