Finding the Fourth Proportional to 160,357,124.04, 221,292,831.21 and 87,018,266.04
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Solution
The fourth proportional to 160,357,124.04, 221,292,831.21 and 87,018,266.04 is: 120,085,207.15
Step by Step Solution
- Step 1: Write the proportion equation
160,357,124.04 : 221,292,831.21 = 87,018,266.04 : x - Step 2: Convert to fraction form
160,357,124.04/221,292,831.21 = 87,018,266.04/x - Step 3: Cross multiply
160,357,124.04x = 221,292,831.21 × 87,018,266.04 - Step 4: Simplify right side
160,357,124.04x = 19,256,518,458,976,596 - Step 5: Solve for x
x = 19,256,518,458,976,596/160,357,124.04 - Step 6: Final answer
x = 120,085,207.15
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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.