Home / 70,102,721.16-105,060,085.93-54,559,317.49

Finding the Fourth Proportional to 70,102,721.16, 105,060,085.93 and 54,559,317.49

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Solution

The fourth proportional to 70,102,721.16, 105,060,085.93 and 54,559,317.49 is: 81,765,821.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,102,721.16 : 105,060,085.93 = 54,559,317.49 : x
  2. Step 2: Convert to fraction form
    70,102,721.16/105,060,085.93 = 54,559,317.49/x
  3. Step 3: Cross multiply
    70,102,721.16x = 105,060,085.93 × 54,559,317.49
  4. Step 4: Simplify right side
    70,102,721.16x = 5,732,006,583,587,101
  5. Step 5: Solve for x
    x = 5,732,006,583,587,101/70,102,721.16
  6. Step 6: Final answer
    x = 81,765,821.48

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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.