Finding the Fourth Proportional to 93,754,438.68, 129,368,855.80 and 54,063,435.36
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Solution
The fourth proportional to 93,754,438.68, 129,368,855.80 and 54,063,435.36 is: 74,600,465.55
Step by Step Solution
- Step 1: Write the proportion equation
93,754,438.68 : 129,368,855.80 = 54,063,435.36 : x - Step 2: Convert to fraction form
93,754,438.68/129,368,855.80 = 54,063,435.36/x - Step 3: Cross multiply
93,754,438.68x = 129,368,855.80 × 54,063,435.36 - Step 4: Simplify right side
93,754,438.68x = 6,994,124,773,140,461 - Step 5: Solve for x
x = 6,994,124,773,140,461/93,754,438.68 - Step 6: Final answer
x = 74,600,465.55
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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.