Finding the Fourth Proportional to 163,199,503.68, 225,219,353.72 and 88,864,139.40
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Solution
The fourth proportional to 163,199,503.68, 225,219,353.72 and 88,864,139.40 is: 122,634,711.46
Step by Step Solution
- Step 1: Write the proportion equation
163,199,503.68 : 225,219,353.72 = 88,864,139.40 : x - Step 2: Convert to fraction form
163,199,503.68/225,219,353.72 = 88,864,139.40/x - Step 3: Cross multiply
163,199,503.68x = 225,219,353.72 × 88,864,139.40 - Step 4: Simplify right side
163,199,503.68x = 20,013,924,044,551,988 - Step 5: Solve for x
x = 20,013,924,044,551,988/163,199,503.68 - Step 6: Final answer
x = 122,634,711.46
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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.