Finding the Fourth Proportional to 153,531,351.48, 211,872,750.66 and 83,916,692.04
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Solution
The fourth proportional to 153,531,351.48, 211,872,750.66 and 83,916,692.04 is: 115,804,753.87
Step by Step Solution
- Step 1: Write the proportion equation
153,531,351.48 : 211,872,750.66 = 83,916,692.04 : x - Step 2: Convert to fraction form
153,531,351.48/211,872,750.66 = 83,916,692.04/x - Step 3: Cross multiply
153,531,351.48x = 211,872,750.66 × 83,916,692.04 - Step 4: Simplify right side
153,531,351.48x = 17,779,660,368,802,928 - Step 5: Solve for x
x = 17,779,660,368,802,928/153,531,351.48 - Step 6: Final answer
x = 115,804,753.87
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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.