Finding the Fourth Proportional to 52,587,121.95, 79,239,628.35 and 43,212,502.71
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Solution
The fourth proportional to 52,587,121.95, 79,239,628.35 and 43,212,502.71 is: 65,113,710.88
Step by Step Solution
- Step 1: Write the proportion equation
52,587,121.95 : 79,239,628.35 = 43,212,502.71 : x - Step 2: Convert to fraction form
52,587,121.95/79,239,628.35 = 43,212,502.71/x - Step 3: Cross multiply
52,587,121.95x = 79,239,628.35 × 43,212,502.71 - Step 4: Simplify right side
52,587,121.95x = 3,424,142,654,813,767.50 - Step 5: Solve for x
x = 3,424,142,654,813,767.50/52,587,121.95 - Step 6: Final answer
x = 65,113,710.88
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.