Finding the Fourth Proportional to 124,312,475.28, 186,485,730.21 and 42,409,363.35
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Solution
The fourth proportional to 124,312,475.28, 186,485,730.21 and 42,409,363.35 is: 63,619,850.50
Step by Step Solution
- Step 1: Write the proportion equation
124,312,475.28 : 186,485,730.21 = 42,409,363.35 : x - Step 2: Convert to fraction form
124,312,475.28/186,485,730.21 = 42,409,363.35/x - Step 3: Cross multiply
124,312,475.28x = 186,485,730.21 × 42,409,363.35 - Step 4: Simplify right side
124,312,475.28x = 7,908,741,092,065,962 - Step 5: Solve for x
x = 7,908,741,092,065,962/124,312,475.28 - Step 6: Final answer
x = 63,619,850.50
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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.