Finding the Fourth Proportional to 172,009,352.84, 256,714,519.02 and 160,346,371.84
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Solution
The fourth proportional to 172,009,352.84, 256,714,519.02 and 160,346,371.84 is: 239,308,159.96
Step by Step Solution
- Step 1: Write the proportion equation
172,009,352.84 : 256,714,519.02 = 160,346,371.84 : x - Step 2: Convert to fraction form
172,009,352.84/256,714,519.02 = 160,346,371.84/x - Step 3: Cross multiply
172,009,352.84x = 256,714,519.02 × 160,346,371.84 - Step 4: Simplify right side
172,009,352.84x = 41,163,241,723,507,672 - Step 5: Solve for x
x = 41,163,241,723,507,672/172,009,352.84 - Step 6: Final answer
x = 239,308,159.96
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.