Home / 268,281,342.40-402,421,511.34-84,062,921.32

Finding the Fourth Proportional to 268,281,342.40, 402,421,511.34 and 84,062,921.32

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Solution

The fourth proportional to 268,281,342.40, 402,421,511.34 and 84,062,921.32 is: 126,094,224.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,281,342.40 : 402,421,511.34 = 84,062,921.32 : x
  2. Step 2: Convert to fraction form
    268,281,342.40/402,421,511.34 = 84,062,921.32/x
  3. Step 3: Cross multiply
    268,281,342.40x = 402,421,511.34 × 84,062,921.32
  4. Step 4: Simplify right side
    268,281,342.40x = 33,828,727,845,249,904
  5. Step 5: Solve for x
    x = 33,828,727,845,249,904/268,281,342.40
  6. Step 6: Final answer
    x = 126,094,224.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.