Finding the Fourth Proportional to 70,768,694, 97,623,341.84 and 48,703,886.88
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Solution
The fourth proportional to 70,768,694, 97,623,341.84 and 48,703,886.88 is: 67,185,586.30
Step by Step Solution
- Step 1: Write the proportion equation
70,768,694 : 97,623,341.84 = 48,703,886.88 : x - Step 2: Convert to fraction form
70,768,694/97,623,341.84 = 48,703,886.88/x - Step 3: Cross multiply
70,768,694x = 97,623,341.84 × 48,703,886.88 - Step 4: Simplify right side
70,768,694x = 4,754,636,197,822,931 - Step 5: Solve for x
x = 4,754,636,197,822,931/70,768,694 - Step 6: Final answer
x = 67,185,586.30
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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.