Finding the Fourth Proportional to 77,262,569.80, 115,893,854.70 and 23,409,881.80
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Solution
The fourth proportional to 77,262,569.80, 115,893,854.70 and 23,409,881.80 is: 35,114,822.70
Step by Step Solution
- Step 1: Write the proportion equation
77,262,569.80 : 115,893,854.70 = 23,409,881.80 : x - Step 2: Convert to fraction form
77,262,569.80/115,893,854.70 = 23,409,881.80/x - Step 3: Cross multiply
77,262,569.80x = 115,893,854.70 × 23,409,881.80 - Step 4: Simplify right side
77,262,569.80x = 2,713,061,439,873,374.50 - Step 5: Solve for x
x = 2,713,061,439,873,374.50/77,262,569.80 - Step 6: Final answer
x = 35,114,822.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.