Finding the Fourth Proportional to 93,818,547.84, 129,469,371.86 and 51,432,031.56
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Solution
The fourth proportional to 93,818,547.84, 129,469,371.86 and 51,432,031.56 is: 70,976,080.66
Step by Step Solution
- Step 1: Write the proportion equation
93,818,547.84 : 129,469,371.86 = 51,432,031.56 : x - Step 2: Convert to fraction form
93,818,547.84/129,469,371.86 = 51,432,031.56/x - Step 3: Cross multiply
93,818,547.84x = 129,469,371.86 × 51,432,031.56 - Step 4: Simplify right side
93,818,547.84x = 6,658,872,819,299,736 - Step 5: Solve for x
x = 6,658,872,819,299,736/93,818,547.84 - Step 6: Final answer
x = 70,976,080.66
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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.