Finding the Fourth Proportional to 124,836,969.80, 187,329,430.88 and 69,551,079.55
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Solution
The fourth proportional to 124,836,969.80, 187,329,430.88 and 69,551,079.55 is: 104,367,834.06
Step by Step Solution
- Step 1: Write the proportion equation
124,836,969.80 : 187,329,430.88 = 69,551,079.55 : x - Step 2: Convert to fraction form
124,836,969.80/187,329,430.88 = 69,551,079.55/x - Step 3: Cross multiply
124,836,969.80x = 187,329,430.88 × 69,551,079.55 - Step 4: Simplify right side
124,836,969.80x = 13,028,964,149,191,106 - Step 5: Solve for x
x = 13,028,964,149,191,106/124,836,969.80 - Step 6: Final answer
x = 104,367,834.06
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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.