Finding the Fourth Proportional to 58,138,807.68, 87,221,710.56 and 19,800,653.76
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Solution
The fourth proportional to 58,138,807.68, 87,221,710.56 and 19,800,653.76 is: 29,705,578.08
Step by Step Solution
- Step 1: Write the proportion equation
58,138,807.68 : 87,221,710.56 = 19,800,653.76 : x - Step 2: Convert to fraction form
58,138,807.68/87,221,710.56 = 19,800,653.76/x - Step 3: Cross multiply
58,138,807.68x = 87,221,710.56 × 19,800,653.76 - Step 4: Simplify right side
58,138,807.68x = 1,727,046,891,153,496 - Step 5: Solve for x
x = 1,727,046,891,153,496/58,138,807.68 - Step 6: Final answer
x = 29,705,578.08
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.