Finding the Fourth Proportional to 180,926,627.86, 249,678,557.49 and 98,420,215.78
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Solution
The fourth proportional to 180,926,627.86, 249,678,557.49 and 98,420,215.78 is: 135,819,794.99
Step by Step Solution
- Step 1: Write the proportion equation
180,926,627.86 : 249,678,557.49 = 98,420,215.78 : x - Step 2: Convert to fraction form
180,926,627.86/249,678,557.49 = 98,420,215.78/x - Step 3: Cross multiply
180,926,627.86x = 249,678,557.49 × 98,420,215.78 - Step 4: Simplify right side
180,926,627.86x = 24,573,417,503,804,936 - Step 5: Solve for x
x = 24,573,417,503,804,936/180,926,627.86 - Step 6: Final answer
x = 135,819,794.99
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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.