Finding the Fourth Proportional to 104,054,158.95, 143,603,557.34 and 57,658,965.99
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Solution
The fourth proportional to 104,054,158.95, 143,603,557.34 and 57,658,965.99 is: 79,574,259.33
Step by Step Solution
- Step 1: Write the proportion equation
104,054,158.95 : 143,603,557.34 = 57,658,965.99 : x - Step 2: Convert to fraction form
104,054,158.95/143,603,557.34 = 57,658,965.99/x - Step 3: Cross multiply
104,054,158.95x = 143,603,557.34 × 57,658,965.99 - Step 4: Simplify right side
104,054,158.95x = 8,280,032,628,421,781 - Step 5: Solve for x
x = 8,280,032,628,421,781/104,054,158.95 - Step 6: Final answer
x = 79,574,259.33
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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.