Finding the Fourth Proportional to 147,609,661.60, 221,328,831.14 and 69,885,913.08
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Solution
The fourth proportional to 147,609,661.60, 221,328,831.14 and 69,885,913.08 is: 104,788,313.23
Step by Step Solution
- Step 1: Write the proportion equation
147,609,661.60 : 221,328,831.14 = 69,885,913.08 : x - Step 2: Convert to fraction form
147,609,661.60/221,328,831.14 = 69,885,913.08/x - Step 3: Cross multiply
147,609,661.60x = 221,328,831.14 × 69,885,913.08 - Step 4: Simplify right side
147,609,661.60x = 15,467,767,455,148,036 - Step 5: Solve for x
x = 15,467,767,455,148,036/147,609,661.60 - Step 6: Final answer
x = 104,788,313.23
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.