Finding the Fourth Proportional to 69,828,510.66, 96,366,334.41 and 38,888,679.84
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Solution
The fourth proportional to 69,828,510.66, 96,366,334.41 and 38,888,679.84 is: 53,668,043.19
Step by Step Solution
- Step 1: Write the proportion equation
69,828,510.66 : 96,366,334.41 = 38,888,679.84 : x - Step 2: Convert to fraction form
69,828,510.66/96,366,334.41 = 38,888,679.84/x - Step 3: Cross multiply
69,828,510.66x = 96,366,334.41 × 38,888,679.84 - Step 4: Simplify right side
69,828,510.66x = 3,747,559,526,224,865.50 - Step 5: Solve for x
x = 3,747,559,526,224,865.50/69,828,510.66 - Step 6: Final answer
x = 53,668,043.19
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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.