Home / 105,076,300,010.45-157,865,896,107.93-67,376,737,319.14

Finding the Fourth Proportional to 105,076,300,010.45, 157,865,896,107.93 and 67,376,737,319.14

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Solution

The fourth proportional to 105,076,300,010.45, 157,865,896,107.93 and 67,376,737,319.14 is: 101,226,337,553.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,076,300,010.45 : 157,865,896,107.93 = 67,376,737,319.14 : x
  2. Step 2: Convert to fraction form
    105,076,300,010.45/157,865,896,107.93 = 67,376,737,319.14/x
  3. Step 3: Cross multiply
    105,076,300,010.45x = 157,865,896,107.93 × 67,376,737,319.14
  4. Step 4: Simplify right side
    105,076,300,010.45x = 10,636,489,013,713,856,102,400
  5. Step 5: Solve for x
    x = 10,636,489,013,713,856,102,400/105,076,300,010.45
  6. Step 6: Final answer
    x = 101,226,337,553.34

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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.