Home / 312,898,261.77-468,990,359.71-126,032,602.52

Finding the Fourth Proportional to 312,898,261.77, 468,990,359.71 and 126,032,602.52

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Solution

The fourth proportional to 312,898,261.77, 468,990,359.71 and 126,032,602.52 is: 188,905,094.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,898,261.77 : 468,990,359.71 = 126,032,602.52 : x
  2. Step 2: Convert to fraction form
    312,898,261.77/468,990,359.71 = 126,032,602.52/x
  3. Step 3: Cross multiply
    312,898,261.77x = 468,990,359.71 × 126,032,602.52
  4. Step 4: Simplify right side
    312,898,261.77x = 59,108,075,591,899,640
  5. Step 5: Solve for x
    x = 59,108,075,591,899,640/312,898,261.77
  6. Step 6: Final answer
    x = 188,905,094.13

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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.