Home / 70,449,703.20-97,221,294.63-39,509,208.18

Finding the Fourth Proportional to 70,449,703.20, 97,221,294.63 and 39,509,208.18

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Solution

The fourth proportional to 70,449,703.20, 97,221,294.63 and 39,509,208.18 is: 54,523,102.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,449,703.20 : 97,221,294.63 = 39,509,208.18 : x
  2. Step 2: Convert to fraction form
    70,449,703.20/97,221,294.63 = 39,509,208.18/x
  3. Step 3: Cross multiply
    70,449,703.20x = 97,221,294.63 × 39,509,208.18
  4. Step 4: Simplify right side
    70,449,703.20x = 3,841,136,369,065,786
  5. Step 5: Solve for x
    x = 3,841,136,369,065,786/70,449,703.20
  6. Step 6: Final answer
    x = 54,523,102.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.