Finding the Fourth Proportional to 150,249,886.07, 207,539,342.30 and 124,249,430.39
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Solution
The fourth proportional to 150,249,886.07, 207,539,342.30 and 124,249,430.39 is: 171,625,055.69
Step by Step Solution
- Step 1: Write the proportion equation
150,249,886.07 : 207,539,342.30 = 124,249,430.39 : x - Step 2: Convert to fraction form
150,249,886.07/207,539,342.30 = 124,249,430.39/x - Step 3: Cross multiply
150,249,886.07x = 207,539,342.30 × 124,249,430.39 - Step 4: Simplify right side
150,249,886.07x = 25,786,645,063,563,160 - Step 5: Solve for x
x = 25,786,645,063,563,160/150,249,886.07 - Step 6: Final answer
x = 171,625,055.69
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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.