Finding the Fourth Proportional to 74,024,478.50, 101,971,252.76 and 62,975,841.98
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Solution
The fourth proportional to 74,024,478.50, 101,971,252.76 and 62,975,841.98 is: 86,751,377.79
Step by Step Solution
- Step 1: Write the proportion equation
74,024,478.50 : 101,971,252.76 = 62,975,841.98 : x - Step 2: Convert to fraction form
74,024,478.50/101,971,252.76 = 62,975,841.98/x - Step 3: Cross multiply
74,024,478.50x = 101,971,252.76 × 62,975,841.98 - Step 4: Simplify right side
74,024,478.50x = 6,421,725,500,316,399 - Step 5: Solve for x
x = 6,421,725,500,316,399/74,024,478.50 - Step 6: Final answer
x = 86,751,377.79
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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.