Finding the Fourth Proportional to 180,748,341.44, 249,552,831 and 138,857,799.92
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Solution
The fourth proportional to 180,748,341.44, 249,552,831 and 138,857,799.92 is: 191,716,044.53
Step by Step Solution
- Step 1: Write the proportion equation
180,748,341.44 : 249,552,831 = 138,857,799.92 : x - Step 2: Convert to fraction form
180,748,341.44/249,552,831 = 138,857,799.92/x - Step 3: Cross multiply
180,748,341.44x = 249,552,831 × 138,857,799.92 - Step 4: Simplify right side
180,748,341.44x = 34,652,357,076,467,572 - Step 5: Solve for x
x = 34,652,357,076,467,572/180,748,341.44 - Step 6: Final answer
x = 191,716,044.53
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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.