Home / 90,548,532-124,949,800.08-51,390,306.72

Finding the Fourth Proportional to 90,548,532, 124,949,800.08 and 51,390,306.72

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Solution

The fourth proportional to 90,548,532, 124,949,800.08 and 51,390,306.72 is: 70,914,551.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,548,532 : 124,949,800.08 = 51,390,306.72 : x
  2. Step 2: Convert to fraction form
    90,548,532/124,949,800.08 = 51,390,306.72/x
  3. Step 3: Cross multiply
    90,548,532x = 124,949,800.08 × 51,390,306.72
  4. Step 4: Simplify right side
    90,548,532x = 6,421,208,550,713,880
  5. Step 5: Solve for x
    x = 6,421,208,550,713,880/90,548,532
  6. Step 6: Final answer
    x = 70,914,551.67

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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.