Finding the Fourth Proportional to 69,358,775.60, 104,038,163.40 and 65,107,247.60
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Solution
The fourth proportional to 69,358,775.60, 104,038,163.40 and 65,107,247.60 is: 97,660,871.40
Step by Step Solution
- Step 1: Write the proportion equation
69,358,775.60 : 104,038,163.40 = 65,107,247.60 : x - Step 2: Convert to fraction form
69,358,775.60/104,038,163.40 = 65,107,247.60/x - Step 3: Cross multiply
69,358,775.60x = 104,038,163.40 × 65,107,247.60 - Step 4: Simplify right side
69,358,775.60x = 6,773,638,464,333,058 - Step 5: Solve for x
x = 6,773,638,464,333,058/69,358,775.60 - Step 6: Final answer
x = 97,660,871.40
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1.5x scale
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.