Finding the Fourth Proportional to 149,781,845.64, 206,699,227.06 and 83,702,343.98
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Solution
The fourth proportional to 149,781,845.64, 206,699,227.06 and 83,702,343.98 is: 115,509,391.21
Step by Step Solution
- Step 1: Write the proportion equation
149,781,845.64 : 206,699,227.06 = 83,702,343.98 : x - Step 2: Convert to fraction form
149,781,845.64/206,699,227.06 = 83,702,343.98/x - Step 3: Cross multiply
149,781,845.64x = 206,699,227.06 × 83,702,343.98 - Step 4: Simplify right side
149,781,845.64x = 17,301,209,803,776,246 - Step 5: Solve for x
x = 17,301,209,803,776,246/149,781,845.64 - Step 6: Final answer
x = 115,509,391.21
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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.