Home / 30,329,133.40-45,493,700.10-16,865,961.40

Finding the Fourth Proportional to 30,329,133.40, 45,493,700.10 and 16,865,961.40

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Solution

The fourth proportional to 30,329,133.40, 45,493,700.10 and 16,865,961.40 is: 25,298,942.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,329,133.40 : 45,493,700.10 = 16,865,961.40 : x
  2. Step 2: Convert to fraction form
    30,329,133.40/45,493,700.10 = 16,865,961.40/x
  3. Step 3: Cross multiply
    30,329,133.40x = 45,493,700.10 × 16,865,961.40
  4. Step 4: Simplify right side
    30,329,133.40x = 767,294,989,829,776.12
  5. Step 5: Solve for x
    x = 767,294,989,829,776.12/30,329,133.40
  6. Step 6: Final answer
    x = 25,298,942.10

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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.