Finding the Fourth Proportional to 118,329,686.04, 163,301,274.60 and 66,119,989.08
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Solution
The fourth proportional to 118,329,686.04, 163,301,274.60 and 66,119,989.08 is: 91,249,109.62
Step by Step Solution
- Step 1: Write the proportion equation
118,329,686.04 : 163,301,274.60 = 66,119,989.08 : x - Step 2: Convert to fraction form
118,329,686.04/163,301,274.60 = 66,119,989.08/x - Step 3: Cross multiply
118,329,686.04x = 163,301,274.60 × 66,119,989.08 - Step 4: Simplify right side
118,329,686.04x = 10,797,478,493,302,080 - Step 5: Solve for x
x = 10,797,478,493,302,080/118,329,686.04 - Step 6: Final answer
x = 91,249,109.62
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.