Home / 30,148,968.84-45,223,478.10-7,429,868.52

Finding the Fourth Proportional to 30,148,968.84, 45,223,478.10 and 7,429,868.52

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Solution

The fourth proportional to 30,148,968.84, 45,223,478.10 and 7,429,868.52 is: 11,144,808.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,148,968.84 : 45,223,478.10 = 7,429,868.52 : x
  2. Step 2: Convert to fraction form
    30,148,968.84/45,223,478.10 = 7,429,868.52/x
  3. Step 3: Cross multiply
    30,148,968.84x = 45,223,478.10 × 7,429,868.52
  4. Step 4: Simplify right side
    30,148,968.84x = 336,004,496,300,099.38
  5. Step 5: Solve for x
    x = 336,004,496,300,099.38/30,148,968.84
  6. Step 6: Final answer
    x = 11,144,808.90

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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.