Finding the Fourth Proportional to 88,553,677.40, 132,830,516.10 and 73,437,133.40
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Solution
The fourth proportional to 88,553,677.40, 132,830,516.10 and 73,437,133.40 is: 110,155,700.10
Step by Step Solution
- Step 1: Write the proportion equation
88,553,677.40 : 132,830,516.10 = 73,437,133.40 : x - Step 2: Convert to fraction form
88,553,677.40/132,830,516.10 = 73,437,133.40/x - Step 3: Cross multiply
88,553,677.40x = 132,830,516.10 × 73,437,133.40 - Step 4: Simplify right side
88,553,677.40x = 9,754,692,330,426,548 - Step 5: Solve for x
x = 9,754,692,330,426,548/88,553,677.40 - Step 6: Final answer
x = 110,155,700.10
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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.