Finding the Fourth Proportional to 124,564,155.64, 171,895,203.07 and 68,808,376.09
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Solution
The fourth proportional to 124,564,155.64, 171,895,203.07 and 68,808,376.09 is: 94,953,718.59
Step by Step Solution
- Step 1: Write the proportion equation
124,564,155.64 : 171,895,203.07 = 68,808,376.09 : x - Step 2: Convert to fraction form
124,564,155.64/171,895,203.07 = 68,808,376.09/x - Step 3: Cross multiply
124,564,155.64x = 171,895,203.07 × 68,808,376.09 - Step 4: Simplify right side
124,564,155.64x = 11,827,829,780,907,482 - Step 5: Solve for x
x = 11,827,829,780,907,482/124,564,155.64 - Step 6: Final answer
x = 94,953,718.59
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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.