Home / 369,236,928.80-553,884,720.88-123,594,860.28

Finding the Fourth Proportional to 369,236,928.80, 553,884,720.88 and 123,594,860.28

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Solution

The fourth proportional to 369,236,928.80, 553,884,720.88 and 123,594,860.28 is: 185,402,107.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,236,928.80 : 553,884,720.88 = 123,594,860.28 : x
  2. Step 2: Convert to fraction form
    369,236,928.80/553,884,720.88 = 123,594,860.28/x
  3. Step 3: Cross multiply
    369,236,928.80x = 553,884,720.88 × 123,594,860.28
  4. Step 4: Simplify right side
    369,236,928.80x = 68,457,304,688,390,400
  5. Step 5: Solve for x
    x = 68,457,304,688,390,400/369,236,928.80
  6. Step 6: Final answer
    x = 185,402,107.29

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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.