Home / 82,993,603.20-124,490,404.80-39,852,403.80

Finding the Fourth Proportional to 82,993,603.20, 124,490,404.80 and 39,852,403.80

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Solution

The fourth proportional to 82,993,603.20, 124,490,404.80 and 39,852,403.80 is: 59,778,605.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,993,603.20 : 124,490,404.80 = 39,852,403.80 : x
  2. Step 2: Convert to fraction form
    82,993,603.20/124,490,404.80 = 39,852,403.80/x
  3. Step 3: Cross multiply
    82,993,603.20x = 124,490,404.80 × 39,852,403.80
  4. Step 4: Simplify right side
    82,993,603.20x = 4,961,241,881,315,058
  5. Step 5: Solve for x
    x = 4,961,241,881,315,058/82,993,603.20
  6. Step 6: Final answer
    x = 59,778,605.70

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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.