Finding the Fourth Proportional to 90,828,072.68, 125,506,698.71 and 64,677,189.68
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Solution
The fourth proportional to 90,828,072.68, 125,506,698.71 and 64,677,189.68 is: 89,371,273.87
Step by Step Solution
- Step 1: Write the proportion equation
90,828,072.68 : 125,506,698.71 = 64,677,189.68 : x - Step 2: Convert to fraction form
90,828,072.68/125,506,698.71 = 64,677,189.68/x - Step 3: Cross multiply
90,828,072.68x = 125,506,698.71 × 64,677,189.68 - Step 4: Simplify right side
90,828,072.68x = 8,117,420,558,253,895 - Step 5: Solve for x
x = 8,117,420,558,253,895/90,828,072.68 - Step 6: Final answer
x = 89,371,273.87
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.