Home / 123,385,089.21-183,974,538.53-119,995,159.95

Finding the Fourth Proportional to 123,385,089.21, 183,974,538.53 and 119,995,159.95

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Solution

The fourth proportional to 123,385,089.21, 183,974,538.53 and 119,995,159.95 is: 178,919,951.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,385,089.21 : 183,974,538.53 = 119,995,159.95 : x
  2. Step 2: Convert to fraction form
    123,385,089.21/183,974,538.53 = 119,995,159.95/x
  3. Step 3: Cross multiply
    123,385,089.21x = 183,974,538.53 × 119,995,159.95
  4. Step 4: Simplify right side
    123,385,089.21x = 22,076,054,177,634,788
  5. Step 5: Solve for x
    x = 22,076,054,177,634,788/123,385,089.21
  6. Step 6: Final answer
    x = 178,919,951.50

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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.