Finding the Fourth Proportional to 220,487,823.84, 330,961,569.68 and 97,752,334.80
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Solution
The fourth proportional to 220,487,823.84, 330,961,569.68 and 97,752,334.80 is: 146,730,398.09
Step by Step Solution
- Step 1: Write the proportion equation
220,487,823.84 : 330,961,569.68 = 97,752,334.80 : x - Step 2: Convert to fraction form
220,487,823.84/330,961,569.68 = 97,752,334.80/x - Step 3: Cross multiply
220,487,823.84x = 330,961,569.68 × 97,752,334.80 - Step 4: Simplify right side
220,487,823.84x = 32,352,266,165,292,888 - Step 5: Solve for x
x = 32,352,266,165,292,888/220,487,823.84 - Step 6: Final answer
x = 146,730,398.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.