Finding the Fourth Proportional to 124,525,237.20, 186,867,571.95 and 72,709,739.70
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Solution
The fourth proportional to 124,525,237.20, 186,867,571.95 and 72,709,739.70 is: 109,111,155.46
Step by Step Solution
- Step 1: Write the proportion equation
124,525,237.20 : 186,867,571.95 = 72,709,739.70 : x - Step 2: Convert to fraction form
124,525,237.20/186,867,571.95 = 72,709,739.70/x - Step 3: Cross multiply
124,525,237.20x = 186,867,571.95 × 72,709,739.70 - Step 4: Simplify right side
124,525,237.20x = 13,587,092,514,855,522 - Step 5: Solve for x
x = 13,587,092,514,855,522/124,525,237.20 - Step 6: Final answer
x = 109,111,155.46
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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.