Finding the Fourth Proportional to 118,329,688.04, 163,301,277.36 and 66,119,991.08
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Solution
The fourth proportional to 118,329,688.04, 163,301,277.36 and 66,119,991.08 is: 91,249,112.38
Step by Step Solution
- Step 1: Write the proportion equation
118,329,688.04 : 163,301,277.36 = 66,119,991.08 : x - Step 2: Convert to fraction form
118,329,688.04/163,301,277.36 = 66,119,991.08/x - Step 3: Cross multiply
118,329,688.04x = 163,301,277.36 × 66,119,991.08 - Step 4: Simplify right side
118,329,688.04x = 10,797,479,002,395,806 - Step 5: Solve for x
x = 10,797,479,002,395,806/118,329,688.04 - Step 6: Final answer
x = 91,249,112.38
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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.