Finding the Fourth Proportional to 101,658,207.60, 140,291,423.28 and 62,522,979.84
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Solution
The fourth proportional to 101,658,207.60, 140,291,423.28 and 62,522,979.84 is: 86,283,616.80
Step by Step Solution
- Step 1: Write the proportion equation
101,658,207.60 : 140,291,423.28 = 62,522,979.84 : x - Step 2: Convert to fraction form
101,658,207.60/140,291,423.28 = 62,522,979.84/x - Step 3: Cross multiply
101,658,207.60x = 140,291,423.28 × 62,522,979.84 - Step 4: Simplify right side
101,658,207.60x = 8,771,437,829,460,347 - Step 5: Solve for x
x = 8,771,437,829,460,347/101,658,207.60 - Step 6: Final answer
x = 86,283,616.80
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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.