Finding the Fourth Proportional to 88,564,447.20, 132,846,670.80 and 54,374,930.40
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Solution
The fourth proportional to 88,564,447.20, 132,846,670.80 and 54,374,930.40 is: 81,562,395.60
Step by Step Solution
- Step 1: Write the proportion equation
88,564,447.20 : 132,846,670.80 = 54,374,930.40 : x - Step 2: Convert to fraction form
88,564,447.20/132,846,670.80 = 54,374,930.40/x - Step 3: Cross multiply
88,564,447.20x = 132,846,670.80 × 54,374,930.40 - Step 4: Simplify right side
88,564,447.20x = 7,223,528,478,621,712 - Step 5: Solve for x
x = 7,223,528,478,621,712/88,564,447.20 - Step 6: Final answer
x = 81,562,395.60
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1.5x scale
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.