Finding the Fourth Proportional to 180,438,130.08, 249,007,008.28 and 97,932,903.84
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Solution
The fourth proportional to 180,438,130.08, 249,007,008.28 and 97,932,903.84 is: 135,148,703.81
Step by Step Solution
- Step 1: Write the proportion equation
180,438,130.08 : 249,007,008.28 = 97,932,903.84 : x - Step 2: Convert to fraction form
180,438,130.08/249,007,008.28 = 97,932,903.84/x - Step 3: Cross multiply
180,438,130.08x = 249,007,008.28 × 97,932,903.84 - Step 4: Simplify right side
180,438,130.08x = 24,385,979,397,371,324 - Step 5: Solve for x
x = 24,385,979,397,371,324/180,438,130.08 - Step 6: Final answer
x = 135,148,703.81
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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.