Finding the Fourth Proportional to 113,918,951.84, 157,208,908.35 and 61,707,987.50
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Solution
The fourth proportional to 113,918,951.84, 157,208,908.35 and 61,707,987.50 is: 85,157,431.62
Step by Step Solution
- Step 1: Write the proportion equation
113,918,951.84 : 157,208,908.35 = 61,707,987.50 : x - Step 2: Convert to fraction form
113,918,951.84/157,208,908.35 = 61,707,987.50/x - Step 3: Cross multiply
113,918,951.84x = 157,208,908.35 × 61,707,987.50 - Step 4: Simplify right side
113,918,951.84x = 9,701,045,350,564,400 - Step 5: Solve for x
x = 9,701,045,350,564,400/113,918,951.84 - Step 6: Final answer
x = 85,157,431.62
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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.