Finding the Fourth Proportional to 134,012,572.97, 184,941,841.40 and 74,476,377.99
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Solution
The fourth proportional to 134,012,572.97, 184,941,841.40 and 74,476,377.99 is: 102,779,897.30
Step by Step Solution
- Step 1: Write the proportion equation
134,012,572.97 : 184,941,841.40 = 74,476,377.99 : x - Step 2: Convert to fraction form
134,012,572.97/184,941,841.40 = 74,476,377.99/x - Step 3: Cross multiply
134,012,572.97x = 184,941,841.40 × 74,476,377.99 - Step 4: Simplify right side
134,012,572.97x = 13,773,798,486,273,030 - Step 5: Solve for x
x = 13,773,798,486,273,030/134,012,572.97 - Step 6: Final answer
x = 102,779,897.30
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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.