Finding the Fourth Proportional to 90,614,459.98, 125,038,634.07 and 50,915,686.06
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Solution
The fourth proportional to 90,614,459.98, 125,038,634.07 and 50,915,686.06 is: 70,258,409.52
Step by Step Solution
- Step 1: Write the proportion equation
90,614,459.98 : 125,038,634.07 = 50,915,686.06 : x - Step 2: Convert to fraction form
90,614,459.98/125,038,634.07 = 50,915,686.06/x - Step 3: Cross multiply
90,614,459.98x = 125,038,634.07 × 50,915,686.06 - Step 4: Simplify right side
90,614,459.98x = 6,366,427,837,679,340 - Step 5: Solve for x
x = 6,366,427,837,679,340/90,614,459.98 - Step 6: Final answer
x = 70,258,409.52
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1.5x scale
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.