Finding the Fourth Proportional to 83,781,677.68, 115,570,569.93 and 52,365,203.91
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Solution
The fourth proportional to 83,781,677.68, 115,570,569.93 and 52,365,203.91 is: 72,233,889.65
Step by Step Solution
- Step 1: Write the proportion equation
83,781,677.68 : 115,570,569.93 = 52,365,203.91 : x - Step 2: Convert to fraction form
83,781,677.68/115,570,569.93 = 52,365,203.91/x - Step 3: Cross multiply
83,781,677.68x = 115,570,569.93 × 52,365,203.91 - Step 4: Simplify right side
83,781,677.68x = 6,051,876,460,379,364 - Step 5: Solve for x
x = 6,051,876,460,379,364/83,781,677.68 - Step 6: Final answer
x = 72,233,889.65
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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.