Finding the Fourth Proportional to 166,103,015.35, 249,243,756.95 and 69,125,581.75
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Solution
The fourth proportional to 166,103,015.35, 249,243,756.95 and 69,125,581.75 is: 103,725,508.30
Step by Step Solution
- Step 1: Write the proportion equation
166,103,015.35 : 249,243,756.95 = 69,125,581.75 : x - Step 2: Convert to fraction form
166,103,015.35/249,243,756.95 = 69,125,581.75/x - Step 3: Cross multiply
166,103,015.35x = 249,243,756.95 × 69,125,581.75 - Step 4: Simplify right side
166,103,015.35x = 17,229,119,696,724,354 - Step 5: Solve for x
x = 17,229,119,696,724,354/166,103,015.35 - Step 6: Final answer
x = 103,725,508.30
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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.