Finding the Fourth Proportional to 92,927,223.91, 128,370,705.02 and 74,465,007.31
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Solution
The fourth proportional to 92,927,223.91, 128,370,705.02 and 74,465,007.31 is: 102,866,792.80
Step by Step Solution
- Step 1: Write the proportion equation
92,927,223.91 : 128,370,705.02 = 74,465,007.31 : x - Step 2: Convert to fraction form
92,927,223.91/128,370,705.02 = 74,465,007.31/x - Step 3: Cross multiply
92,927,223.91x = 128,370,705.02 × 74,465,007.31 - Step 4: Simplify right side
92,927,223.91x = 9,559,125,487,704,154 - Step 5: Solve for x
x = 9,559,125,487,704,154/92,927,223.91 - Step 6: Final answer
x = 102,866,792.80
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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.