Finding the Fourth Proportional to 307,365,041.16, 424,173,873.84 and 168,132,616.68
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Solution
The fourth proportional to 307,365,041.16, 424,173,873.84 and 168,132,616.68 is: 232,028,545.17
Step by Step Solution
- Step 1: Write the proportion equation
307,365,041.16 : 424,173,873.84 = 168,132,616.68 : x - Step 2: Convert to fraction form
307,365,041.16/424,173,873.84 = 168,132,616.68/x - Step 3: Cross multiply
307,365,041.16x = 424,173,873.84 × 168,132,616.68 - Step 4: Simplify right side
307,365,041.16x = 71,317,463,336,011,400 - Step 5: Solve for x
x = 71,317,463,336,011,400/307,365,041.16 - Step 6: Final answer
x = 232,028,545.17
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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.