Finding the Fourth Proportional to 61,769,697.04, 85,164,622.66 and 45,221,092.08
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Solution
The fourth proportional to 61,769,697.04, 85,164,622.66 and 45,221,092.08 is: 62,348,326.57
Step by Step Solution
- Step 1: Write the proportion equation
61,769,697.04 : 85,164,622.66 = 45,221,092.08 : x - Step 2: Convert to fraction form
61,769,697.04/85,164,622.66 = 45,221,092.08/x - Step 3: Cross multiply
61,769,697.04x = 85,164,622.66 × 45,221,092.08 - Step 4: Simplify right side
61,769,697.04x = 3,851,237,243,266,314 - Step 5: Solve for x
x = 3,851,237,243,266,314/61,769,697.04 - Step 6: Final answer
x = 62,348,326.57
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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.