Finding the Fourth Proportional to 124,417,114.90, 186,625,672.35 and 73,272,807.70
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Solution
The fourth proportional to 124,417,114.90, 186,625,672.35 and 73,272,807.70 is: 109,909,211.55
Step by Step Solution
- Step 1: Write the proportion equation
124,417,114.90 : 186,625,672.35 = 73,272,807.70 : x - Step 2: Convert to fraction form
124,417,114.90/186,625,672.35 = 73,272,807.70/x - Step 3: Cross multiply
124,417,114.90x = 186,625,672.35 × 73,272,807.70 - Step 4: Simplify right side
124,417,114.90x = 13,674,587,001,984,758 - Step 5: Solve for x
x = 13,674,587,001,984,758/124,417,114.90 - Step 6: Final answer
x = 109,909,211.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.