Home / 122,519,326.60-183,778,989.90-94,778,106.40

Finding the Fourth Proportional to 122,519,326.60, 183,778,989.90 and 94,778,106.40

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Solution

The fourth proportional to 122,519,326.60, 183,778,989.90 and 94,778,106.40 is: 142,167,159.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,519,326.60 : 183,778,989.90 = 94,778,106.40 : x
  2. Step 2: Convert to fraction form
    122,519,326.60/183,778,989.90 = 94,778,106.40/x
  3. Step 3: Cross multiply
    122,519,326.60x = 183,778,989.90 × 94,778,106.40
  4. Step 4: Simplify right side
    122,519,326.60x = 17,418,224,658,826,728
  5. Step 5: Solve for x
    x = 17,418,224,658,826,728/122,519,326.60
  6. Step 6: Final answer
    x = 142,167,159.60

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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.