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Finding the Fourth Proportional to 35,429,424.80, 53,060,156.40 and 35,429,424.80

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Solution

The fourth proportional to 35,429,424.80, 53,060,156.40 and 35,429,424.80 is: 53,060,156.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,429,424.80 : 53,060,156.40 = 35,429,424.80 : x
  2. Step 2: Convert to fraction form
    35,429,424.80/53,060,156.40 = 35,429,424.80/x
  3. Step 3: Cross multiply
    35,429,424.80x = 53,060,156.40 × 35,429,424.80
  4. Step 4: Simplify right side
    35,429,424.80x = 1,879,890,821,050,038.50
  5. Step 5: Solve for x
    x = 1,879,890,821,050,038.50/35,429,424.80
  6. Step 6: Final answer
    x = 53,060,156.40

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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.