Finding the Fourth Proportional to 63,653,516.24, 87,772,341 and 42,991,089.68
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Solution
The fourth proportional to 63,653,516.24, 87,772,341 and 42,991,089.68 is: 59,280,756.29
Step by Step Solution
- Step 1: Write the proportion equation
63,653,516.24 : 87,772,341 = 42,991,089.68 : x - Step 2: Convert to fraction form
63,653,516.24/87,772,341 = 42,991,089.68/x - Step 3: Cross multiply
63,653,516.24x = 87,772,341 × 42,991,089.68 - Step 4: Simplify right side
63,653,516.24x = 3,773,428,583,354,541 - Step 5: Solve for x
x = 3,773,428,583,354,541/63,653,516.24 - Step 6: Final answer
x = 59,280,756.29
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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.