Home / 121,257,009.10-181,885,513.65-44,570,072.80

Finding the Fourth Proportional to 121,257,009.10, 181,885,513.65 and 44,570,072.80

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Solution

The fourth proportional to 121,257,009.10, 181,885,513.65 and 44,570,072.80 is: 66,855,109.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,257,009.10 : 181,885,513.65 = 44,570,072.80 : x
  2. Step 2: Convert to fraction form
    121,257,009.10/181,885,513.65 = 44,570,072.80/x
  3. Step 3: Cross multiply
    121,257,009.10x = 181,885,513.65 × 44,570,072.80
  4. Step 4: Simplify right side
    121,257,009.10x = 8,106,650,584,645,893
  5. Step 5: Solve for x
    x = 8,106,650,584,645,893/121,257,009.10
  6. Step 6: Final answer
    x = 66,855,109.20

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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.