Home / 163,553,041.60-245,121,165.60-86,912,785.60

Finding the Fourth Proportional to 163,553,041.60, 245,121,165.60 and 86,912,785.60

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Solution

The fourth proportional to 163,553,041.60, 245,121,165.60 and 86,912,785.60 is: 130,258,435.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,553,041.60 : 245,121,165.60 = 86,912,785.60 : x
  2. Step 2: Convert to fraction form
    163,553,041.60/245,121,165.60 = 86,912,785.60/x
  3. Step 3: Cross multiply
    163,553,041.60x = 245,121,165.60 × 86,912,785.60
  4. Step 4: Simplify right side
    163,553,041.60x = 21,304,163,311,814,892
  5. Step 5: Solve for x
    x = 21,304,163,311,814,892/163,553,041.60
  6. Step 6: Final answer
    x = 130,258,435.45

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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.