Home / 126,388,733.49-174,421,838.79-70,634,152.26

Finding the Fourth Proportional to 126,388,733.49, 174,421,838.79 and 70,634,152.26

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Solution

The fourth proportional to 126,388,733.49, 174,421,838.79 and 70,634,152.26 is: 97,478,140.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,388,733.49 : 174,421,838.79 = 70,634,152.26 : x
  2. Step 2: Convert to fraction form
    126,388,733.49/174,421,838.79 = 70,634,152.26/x
  3. Step 3: Cross multiply
    126,388,733.49x = 174,421,838.79 × 70,634,152.26
  4. Step 4: Simplify right side
    126,388,733.49x = 12,320,138,718,562,034
  5. Step 5: Solve for x
    x = 12,320,138,718,562,034/126,388,733.49
  6. Step 6: Final answer
    x = 97,478,140.48

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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.