Finding the Fourth Proportional to 178,210,658, 245,470,697.16 and 125,908,901.84
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Solution
The fourth proportional to 178,210,658, 245,470,697.16 and 125,908,901.84 is: 173,429,278.92
Step by Step Solution
- Step 1: Write the proportion equation
178,210,658 : 245,470,697.16 = 125,908,901.84 : x - Step 2: Convert to fraction form
178,210,658/245,470,697.16 = 125,908,901.84/x - Step 3: Cross multiply
178,210,658x = 245,470,697.16 × 125,908,901.84 - Step 4: Simplify right side
178,210,658x = 30,906,945,913,314,808 - Step 5: Solve for x
x = 30,906,945,913,314,808/178,210,658 - Step 6: Final answer
x = 173,429,278.92
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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.