Home / 51,224,658.30-76,810,415.40-18,859,901.40

Finding the Fourth Proportional to 51,224,658.30, 76,810,415.40 and 18,859,901.40

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Solution

The fourth proportional to 51,224,658.30, 76,810,415.40 and 18,859,901.40 is: 28,280,068.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,224,658.30 : 76,810,415.40 = 18,859,901.40 : x
  2. Step 2: Convert to fraction form
    51,224,658.30/76,810,415.40 = 18,859,901.40/x
  3. Step 3: Cross multiply
    51,224,658.30x = 76,810,415.40 × 18,859,901.40
  4. Step 4: Simplify right side
    51,224,658.30x = 1,448,636,860,937,041.50
  5. Step 5: Solve for x
    x = 1,448,636,860,937,041.50/51,224,658.30
  6. Step 6: Final answer
    x = 28,280,068.80

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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.