Finding the Fourth Proportional to 88,943,798.37, 122,735,740.12 and 54,132,641.40
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Solution
The fourth proportional to 88,943,798.37, 122,735,740.12 and 54,132,641.40 is: 74,698,966.41
Step by Step Solution
- Step 1: Write the proportion equation
88,943,798.37 : 122,735,740.12 = 54,132,641.40 : x - Step 2: Convert to fraction form
88,943,798.37/122,735,740.12 = 54,132,641.40/x - Step 3: Cross multiply
88,943,798.37x = 122,735,740.12 × 54,132,641.40 - Step 4: Simplify right side
88,943,798.37x = 6,644,009,806,640,380 - Step 5: Solve for x
x = 6,644,009,806,640,380/88,943,798.37 - Step 6: Final answer
x = 74,698,966.41
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.