Finding the Fourth Proportional to 69,319,813.70, 103,999,159.76 and 27,849,810.71
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Solution
The fourth proportional to 69,319,813.70, 103,999,159.76 and 27,849,810.71 is: 41,782,525.93
Step by Step Solution
- Step 1: Write the proportion equation
69,319,813.70 : 103,999,159.76 = 27,849,810.71 : x - Step 2: Convert to fraction form
69,319,813.70/103,999,159.76 = 27,849,810.71/x - Step 3: Cross multiply
69,319,813.70x = 103,999,159.76 × 27,849,810.71 - Step 4: Simplify right side
69,319,813.70x = 2,896,356,913,435,797.50 - Step 5: Solve for x
x = 2,896,356,913,435,797.50/69,319,813.70 - Step 6: Final answer
x = 41,782,525.93
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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.