Home / 90,007,975.52-124,208,090.48-50,314,450.40

Finding the Fourth Proportional to 90,007,975.52, 124,208,090.48 and 50,314,450.40

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Solution

The fourth proportional to 90,007,975.52, 124,208,090.48 and 50,314,450.40 is: 69,432,311.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,007,975.52 : 124,208,090.48 = 50,314,450.40 : x
  2. Step 2: Convert to fraction form
    90,007,975.52/124,208,090.48 = 50,314,450.40/x
  3. Step 3: Cross multiply
    90,007,975.52x = 124,208,090.48 × 50,314,450.40
  4. Step 4: Simplify right side
    90,007,975.52x = 6,249,461,807,734,672
  5. Step 5: Solve for x
    x = 6,249,461,807,734,672/90,007,975.52
  6. Step 6: Final answer
    x = 69,432,311.65

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1.5x scale

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.