Home / 163,670,984.32-225,864,845.76-90,332,126.08

Finding the Fourth Proportional to 163,670,984.32, 225,864,845.76 and 90,332,126.08

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Solution

The fourth proportional to 163,670,984.32, 225,864,845.76 and 90,332,126.08 is: 124,657,719.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,670,984.32 : 225,864,845.76 = 90,332,126.08 : x
  2. Step 2: Convert to fraction form
    163,670,984.32/225,864,845.76 = 90,332,126.08/x
  3. Step 3: Cross multiply
    163,670,984.32x = 225,864,845.76 × 90,332,126.08
  4. Step 4: Simplify right side
    163,670,984.32x = 20,402,851,724,232,072
  5. Step 5: Solve for x
    x = 20,402,851,724,232,072/163,670,984.32
  6. Step 6: Final answer
    x = 124,657,719.93

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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.