Finding the Fourth Proportional to 91,403,681.99, 126,137,325.65 and 49,587,747.20
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Solution
The fourth proportional to 91,403,681.99, 126,137,325.65 and 49,587,747.20 is: 68,431,223.78
Step by Step Solution
- Step 1: Write the proportion equation
91,403,681.99 : 126,137,325.65 = 49,587,747.20 : x - Step 2: Convert to fraction form
91,403,681.99/126,137,325.65 = 49,587,747.20/x - Step 3: Cross multiply
91,403,681.99x = 126,137,325.65 × 49,587,747.20 - Step 4: Simplify right side
91,403,681.99x = 6,254,865,816,816,276 - Step 5: Solve for x
x = 6,254,865,816,816,276/91,403,681.99 - Step 6: Final answer
x = 68,431,223.78
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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.