Finding the Fourth Proportional to 90,828,175.49, 125,506,840.73 and 64,677,292.68
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Solution
The fourth proportional to 90,828,175.49, 125,506,840.73 and 64,677,292.68 is: 89,371,416.17
Step by Step Solution
- Step 1: Write the proportion equation
90,828,175.49 : 125,506,840.73 = 64,677,292.68 : x - Step 2: Convert to fraction form
90,828,175.49/125,506,840.73 = 64,677,292.68/x - Step 3: Cross multiply
90,828,175.49x = 125,506,840.73 × 64,677,292.68 - Step 4: Simplify right side
90,828,175.49x = 8,117,442,670,912,968 - Step 5: Solve for x
x = 8,117,442,670,912,968/90,828,175.49 - Step 6: Final answer
x = 89,371,416.17
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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.