Finding the Fourth Proportional to 293,221,406.70, 439,720,135.65 and 88,681,502.70
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Solution
The fourth proportional to 293,221,406.70, 439,720,135.65 and 88,681,502.70 is: 132,988,388.66
Step by Step Solution
- Step 1: Write the proportion equation
293,221,406.70 : 439,720,135.65 = 88,681,502.70 : x - Step 2: Convert to fraction form
293,221,406.70/439,720,135.65 = 88,681,502.70/x - Step 3: Cross multiply
293,221,406.70x = 439,720,135.65 × 88,681,502.70 - Step 4: Simplify right side
293,221,406.70x = 38,995,042,396,889,840 - Step 5: Solve for x
x = 38,995,042,396,889,840/293,221,406.70 - Step 6: Final answer
x = 132,988,388.66
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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.