Finding the Fourth Proportional to 220,109,403.60, 330,294,742.20 and 83,808,565.20
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Solution
The fourth proportional to 220,109,403.60, 330,294,742.20 and 83,808,565.20 is: 125,762,588.90
Step by Step Solution
- Step 1: Write the proportion equation
220,109,403.60 : 330,294,742.20 = 83,808,565.20 : x - Step 2: Convert to fraction form
220,109,403.60/330,294,742.20 = 83,808,565.20/x - Step 3: Cross multiply
220,109,403.60x = 330,294,742.20 × 83,808,565.20 - Step 4: Simplify right side
220,109,403.60x = 27,681,528,436,885,892 - Step 5: Solve for x
x = 27,681,528,436,885,892/220,109,403.60 - Step 6: Final answer
x = 125,762,588.90
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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.