Finding the Fourth Proportional to 178,411,032.24, 245,748,484.58 and 126,110,151.96
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Solution
The fourth proportional to 178,411,032.24, 245,748,484.58 and 126,110,151.96 is: 173,707,748.59
Step by Step Solution
- Step 1: Write the proportion equation
178,411,032.24 : 245,748,484.58 = 126,110,151.96 : x - Step 2: Convert to fraction form
178,411,032.24/245,748,484.58 = 126,110,151.96/x - Step 3: Cross multiply
178,411,032.24x = 245,748,484.58 × 126,110,151.96 - Step 4: Simplify right side
178,411,032.24x = 30,991,378,734,323,516 - Step 5: Solve for x
x = 30,991,378,734,323,516/178,411,032.24 - Step 6: Final answer
x = 173,707,748.59
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.