Finding the Fourth Proportional to 93,818,547.09, 129,469,370.82 and 51,432,030.81
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Solution
The fourth proportional to 93,818,547.09, 129,469,370.82 and 51,432,030.81 is: 70,976,079.63
Step by Step Solution
- Step 1: Write the proportion equation
93,818,547.09 : 129,469,370.82 = 51,432,030.81 : x - Step 2: Convert to fraction form
93,818,547.09/129,469,370.82 = 51,432,030.81/x - Step 3: Cross multiply
93,818,547.09x = 129,469,370.82 × 51,432,030.81 - Step 4: Simplify right side
93,818,547.09x = 6,658,872,668,965,555 - Step 5: Solve for x
x = 6,658,872,668,965,555/93,818,547.09 - Step 6: Final answer
x = 70,976,079.63
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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.