Finding the Fourth Proportional to 78,249,580.08, 117,382,883.04 and 29,059,663.56
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Solution
The fourth proportional to 78,249,580.08, 117,382,883.04 and 29,059,663.56 is: 43,592,656.80
Step by Step Solution
- Step 1: Write the proportion equation
78,249,580.08 : 117,382,883.04 = 29,059,663.56 : x - Step 2: Convert to fraction form
78,249,580.08/117,382,883.04 = 29,059,663.56/x - Step 3: Cross multiply
78,249,580.08x = 117,382,883.04 × 29,059,663.56 - Step 4: Simplify right side
78,249,580.08x = 3,411,107,088,845,230 - Step 5: Solve for x
x = 3,411,107,088,845,230/78,249,580.08 - Step 6: Final answer
x = 43,592,656.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.