Finding the Fourth Proportional to 130,423,497.80, 195,635,246.70 and 124,046,205.80
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Solution
The fourth proportional to 130,423,497.80, 195,635,246.70 and 124,046,205.80 is: 186,069,308.70
Step by Step Solution
- Step 1: Write the proportion equation
130,423,497.80 : 195,635,246.70 = 124,046,205.80 : x - Step 2: Convert to fraction form
130,423,497.80/195,635,246.70 = 124,046,205.80/x - Step 3: Cross multiply
130,423,497.80x = 195,635,246.70 × 124,046,205.80 - Step 4: Simplify right side
130,423,497.80x = 24,267,810,073,881,968 - Step 5: Solve for x
x = 24,267,810,073,881,968/130,423,497.80 - Step 6: Final answer
x = 186,069,308.70
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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.