Finding the Fourth Proportional to 180,765,402, 249,576,374.76 and 138,874,860.24
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Solution
The fourth proportional to 180,765,402, 249,576,374.76 and 138,874,860.24 is: 191,739,590.54
Step by Step Solution
- Step 1: Write the proportion equation
180,765,402 : 249,576,374.76 = 138,874,860.24 : x - Step 2: Convert to fraction form
180,765,402/249,576,374.76 = 138,874,860.24/x - Step 3: Cross multiply
180,765,402x = 249,576,374.76 × 138,874,860.24 - Step 4: Simplify right side
180,765,402x = 34,659,884,164,000,864 - Step 5: Solve for x
x = 34,659,884,164,000,864/180,765,402 - Step 6: Final answer
x = 191,739,590.54
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1.5x scale
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.