Home / 122,487,562.80-183,518,767.80-103,355,686.80

Finding the Fourth Proportional to 122,487,562.80, 183,518,767.80 and 103,355,686.80

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Solution

The fourth proportional to 122,487,562.80, 183,518,767.80 and 103,355,686.80 is: 154,854,157.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,487,562.80 : 183,518,767.80 = 103,355,686.80 : x
  2. Step 2: Convert to fraction form
    122,487,562.80/183,518,767.80 = 103,355,686.80/x
  3. Step 3: Cross multiply
    122,487,562.80x = 183,518,767.80 × 103,355,686.80
  4. Step 4: Simplify right side
    122,487,562.80x = 18,967,708,286,658,724
  5. Step 5: Solve for x
    x = 18,967,708,286,658,724/122,487,562.80
  6. Step 6: Final answer
    x = 154,854,157.05

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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.