Finding the Fourth Proportional to 239,249,483.06, 330,225,712.45 and 155,825,493.26
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Solution
The fourth proportional to 239,249,483.06, 330,225,712.45 and 155,825,493.26 is: 215,079,187.93
Step by Step Solution
- Step 1: Write the proportion equation
239,249,483.06 : 330,225,712.45 = 155,825,493.26 : x - Step 2: Convert to fraction form
239,249,483.06/330,225,712.45 = 155,825,493.26/x - Step 3: Cross multiply
239,249,483.06x = 330,225,712.45 × 155,825,493.26 - Step 4: Simplify right side
239,249,483.06x = 51,457,584,527,615,480 - Step 5: Solve for x
x = 51,457,584,527,615,480/239,249,483.06 - Step 6: Final answer
x = 215,079,187.93
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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.