Finding the Fourth Proportional to 315,615,352.33, 435,562,637.38 and 176,386,110.00
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Solution
The fourth proportional to 315,615,352.33, 435,562,637.38 and 176,386,110.00 is: 243,420,349.17
Step by Step Solution
- Step 1: Write the proportion equation
315,615,352.33 : 435,562,637.38 = 176,386,110.00 : x - Step 2: Convert to fraction form
315,615,352.33/435,562,637.38 = 176,386,110.00/x - Step 3: Cross multiply
315,615,352.33x = 435,562,637.38 × 176,386,110.00 - Step 4: Simplify right side
315,615,352.33x = 76,827,199,266,724,464 - Step 5: Solve for x
x = 76,827,199,266,724,464/315,615,352.33 - Step 6: Final answer
x = 243,420,349.17
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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.