Finding the Fourth Proportional to 88,387,208,618.76, 121,974,396,824.68 and 47,742,119,886.24
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Solution
The fourth proportional to 88,387,208,618.76, 121,974,396,824.68 and 47,742,119,886.24 is: 65,884,151,872.85
Step by Step Solution
- Step 1: Write the proportion equation
88,387,208,618.76 : 121,974,396,824.68 = 47,742,119,886.24 : x - Step 2: Convert to fraction form
88,387,208,618.76/121,974,396,824.68 = 47,742,119,886.24/x - Step 3: Cross multiply
88,387,208,618.76x = 121,974,396,824.68 × 47,742,119,886.24 - Step 4: Simplify right side
88,387,208,618.76x = 5,823,316,276,255,683,248,128 - Step 5: Solve for x
x = 5,823,316,276,255,683,248,128/88,387,208,618.76 - Step 6: Final answer
x = 65,884,151,872.85
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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.