Finding the Fourth Proportional to 157,613,355.36, 217,506,852.18 and 88,001,227.17
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Solution
The fourth proportional to 157,613,355.36, 217,506,852.18 and 88,001,227.17 is: 121,441,928.99
Step by Step Solution
- Step 1: Write the proportion equation
157,613,355.36 : 217,506,852.18 = 88,001,227.17 : x - Step 2: Convert to fraction form
157,613,355.36/217,506,852.18 = 88,001,227.17/x - Step 3: Cross multiply
157,613,355.36x = 217,506,852.18 × 88,001,227.17 - Step 4: Simplify right side
157,613,355.36x = 19,140,869,909,723,792 - Step 5: Solve for x
x = 19,140,869,909,723,792/157,613,355.36 - Step 6: Final answer
x = 121,441,928.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.