Finding the Fourth Proportional to 423,118,032.72, 634,676,203.34 and 112,256,808.09
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Solution
The fourth proportional to 423,118,032.72, 634,676,203.34 and 112,256,808.09 is: 168,384,987.75
Step by Step Solution
- Step 1: Write the proportion equation
423,118,032.72 : 634,676,203.34 = 112,256,808.09 : x - Step 2: Convert to fraction form
423,118,032.72/634,676,203.34 = 112,256,808.09/x - Step 3: Cross multiply
423,118,032.72x = 634,676,203.34 × 112,256,808.09 - Step 4: Simplify right side
423,118,032.72x = 71,246,724,757,066,920 - Step 5: Solve for x
x = 71,246,724,757,066,920/423,118,032.72 - Step 6: Final answer
x = 168,384,987.75
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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.