Finding the Fourth Proportional to 165,939,368.10, 249,059,627.10 and 84,115,168.80
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Solution
The fourth proportional to 165,939,368.10, 249,059,627.10 and 84,115,168.80 is: 126,249,080.10
Step by Step Solution
- Step 1: Write the proportion equation
165,939,368.10 : 249,059,627.10 = 84,115,168.80 : x - Step 2: Convert to fraction form
165,939,368.10/249,059,627.10 = 84,115,168.80/x - Step 3: Cross multiply
165,939,368.10x = 249,059,627.10 × 84,115,168.80 - Step 4: Simplify right side
165,939,368.10x = 20,949,692,574,781,552 - Step 5: Solve for x
x = 20,949,692,574,781,552/165,939,368.10 - Step 6: Final answer
x = 126,249,080.10
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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.