Finding the Fourth Proportional to 67,875,966.48, 93,670,804.68 and 36,938,130.96
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Solution
The fourth proportional to 67,875,966.48, 93,670,804.68 and 36,938,130.96 is: 50,975,693.31
Step by Step Solution
- Step 1: Write the proportion equation
67,875,966.48 : 93,670,804.68 = 36,938,130.96 : x - Step 2: Convert to fraction form
67,875,966.48/93,670,804.68 = 36,938,130.96/x - Step 3: Cross multiply
67,875,966.48x = 93,670,804.68 × 36,938,130.96 - Step 4: Simplify right side
67,875,966.48x = 3,460,024,450,398,421 - Step 5: Solve for x
x = 3,460,024,450,398,421/67,875,966.48 - Step 6: Final answer
x = 50,975,693.31
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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.