Finding the Fourth Proportional to 338,265,455.76, 507,399,129.53 and 105,130,258.08
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Solution
The fourth proportional to 338,265,455.76, 507,399,129.53 and 105,130,258.08 is: 157,695,681.09
Step by Step Solution
- Step 1: Write the proportion equation
338,265,455.76 : 507,399,129.53 = 105,130,258.08 : x - Step 2: Convert to fraction form
338,265,455.76/507,399,129.53 = 105,130,258.08/x - Step 3: Cross multiply
338,265,455.76x = 507,399,129.53 × 105,130,258.08 - Step 4: Simplify right side
338,265,455.76x = 53,343,001,436,924,832 - Step 5: Solve for x
x = 53,343,001,436,924,832/338,265,455.76 - Step 6: Final answer
x = 157,695,681.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.