Finding the Fourth Proportional to 83,596,783.16, 125,363,288.28 and 39,869,817.68
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Solution
The fourth proportional to 83,596,783.16, 125,363,288.28 and 39,869,817.68 is: 59,789,518.91
Step by Step Solution
- Step 1: Write the proportion equation
83,596,783.16 : 125,363,288.28 = 39,869,817.68 : x - Step 2: Convert to fraction form
83,596,783.16/125,363,288.28 = 39,869,817.68/x - Step 3: Cross multiply
83,596,783.16x = 125,363,288.28 × 39,869,817.68 - Step 4: Simplify right side
83,596,783.16x = 4,998,211,447,488,881 - Step 5: Solve for x
x = 4,998,211,447,488,881/83,596,783.16 - Step 6: Final answer
x = 59,789,518.91
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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.