Home / 123,385,858.21-183,975,686.01-119,995,928.93

Finding the Fourth Proportional to 123,385,858.21, 183,975,686.01 and 119,995,928.93

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Solution

The fourth proportional to 123,385,858.21, 183,975,686.01 and 119,995,928.93 is: 178,921,098.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,385,858.21 : 183,975,686.01 = 119,995,928.93 : x
  2. Step 2: Convert to fraction form
    123,385,858.21/183,975,686.01 = 119,995,928.93/x
  3. Step 3: Cross multiply
    123,385,858.21x = 183,975,686.01 × 119,995,928.93
  4. Step 4: Simplify right side
    123,385,858.21x = 22,076,333,343,303,956
  5. Step 5: Solve for x
    x = 22,076,333,343,303,956/123,385,858.21
  6. Step 6: Final answer
    x = 178,921,098.93

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.