Finding the Fourth Proportional to 166,163,926.40, 249,291,962.40 and 69,165,324.80
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Solution
The fourth proportional to 166,163,926.40, 249,291,962.40 and 69,165,324.80 is: 103,767,164.89
Step by Step Solution
- Step 1: Write the proportion equation
166,163,926.40 : 249,291,962.40 = 69,165,324.80 : x - Step 2: Convert to fraction form
166,163,926.40/249,291,962.40 = 69,165,324.80/x - Step 3: Cross multiply
166,163,926.40x = 249,291,962.40 × 69,165,324.80 - Step 4: Simplify right side
166,163,926.40x = 17,242,359,549,425,388 - Step 5: Solve for x
x = 17,242,359,549,425,388/166,163,926.40 - Step 6: Final answer
x = 103,767,164.89
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.