Home / 288,931,421.80-433,449,620.70-94,788,807.40

Finding the Fourth Proportional to 288,931,421.80, 433,449,620.70 and 94,788,807.40

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Solution

The fourth proportional to 288,931,421.80, 433,449,620.70 and 94,788,807.40 is: 142,200,430.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,931,421.80 : 433,449,620.70 = 94,788,807.40 : x
  2. Step 2: Convert to fraction form
    288,931,421.80/433,449,620.70 = 94,788,807.40/x
  3. Step 3: Cross multiply
    288,931,421.80x = 433,449,620.70 × 94,788,807.40
  4. Step 4: Simplify right side
    288,931,421.80x = 41,086,172,614,135,352
  5. Step 5: Solve for x
    x = 41,086,172,614,135,352/288,931,421.80
  6. Step 6: Final answer
    x = 142,200,430.67

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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.