Finding the Fourth Proportional to 124,516,461.80, 186,774,692.70 and 52,852,845.80
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Solution
The fourth proportional to 124,516,461.80, 186,774,692.70 and 52,852,845.80 is: 79,279,268.70
Step by Step Solution
- Step 1: Write the proportion equation
124,516,461.80 : 186,774,692.70 = 52,852,845.80 : x - Step 2: Convert to fraction form
124,516,461.80/186,774,692.70 = 52,852,845.80/x - Step 3: Cross multiply
124,516,461.80x = 186,774,692.70 × 52,852,845.80 - Step 4: Simplify right side
124,516,461.80x = 9,871,574,032,615,484 - Step 5: Solve for x
x = 9,871,574,032,615,484/124,516,461.80 - Step 6: Final answer
x = 79,279,268.70
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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.