Finding the Fourth Proportional to 148,878,379.13, 205,457,831.63 and 82,803,655.29
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Solution
The fourth proportional to 148,878,379.13, 205,457,831.63 and 82,803,655.29 is: 114,272,196.99
Step by Step Solution
- Step 1: Write the proportion equation
148,878,379.13 : 205,457,831.63 = 82,803,655.29 : x - Step 2: Convert to fraction form
148,878,379.13/205,457,831.63 = 82,803,655.29/x - Step 3: Cross multiply
148,878,379.13x = 205,457,831.63 × 82,803,655.29 - Step 4: Simplify right side
148,878,379.13x = 17,012,659,467,277,828 - Step 5: Solve for x
x = 17,012,659,467,277,828/148,878,379.13 - Step 6: Final answer
x = 114,272,196.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.