Finding the Fourth Proportional to 124,439,752.17, 171,701,221.16 and 71,506,231.92
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Solution
The fourth proportional to 124,439,752.17, 171,701,221.16 and 71,506,231.92 is: 98,663,868.48
Step by Step Solution
- Step 1: Write the proportion equation
124,439,752.17 : 171,701,221.16 = 71,506,231.92 : x - Step 2: Convert to fraction form
124,439,752.17/171,701,221.16 = 71,506,231.92/x - Step 3: Cross multiply
124,439,752.17x = 171,701,221.16 × 71,506,231.92 - Step 4: Simplify right side
124,439,752.17x = 12,277,707,341,392,936 - Step 5: Solve for x
x = 12,277,707,341,392,936/124,439,752.17 - Step 6: Final answer
x = 98,663,868.48
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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.