Finding the Fourth Proportional to 216,878,790.34, 299,292,730.66 and 124,059,298.18
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Solution
The fourth proportional to 216,878,790.34, 299,292,730.66 and 124,059,298.18 is: 171,201,831.49
Step by Step Solution
- Step 1: Write the proportion equation
216,878,790.34 : 299,292,730.66 = 124,059,298.18 : x - Step 2: Convert to fraction form
216,878,790.34/299,292,730.66 = 124,059,298.18/x - Step 3: Cross multiply
216,878,790.34x = 299,292,730.66 × 124,059,298.18 - Step 4: Simplify right side
216,878,790.34x = 37,130,046,116,055,376 - Step 5: Solve for x
x = 37,130,046,116,055,376/216,878,790.34 - Step 6: Final answer
x = 171,201,831.49
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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.