Home / 73,354,513.20-110,031,769.80-67,811,780.40

Finding the Fourth Proportional to 73,354,513.20, 110,031,769.80 and 67,811,780.40

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Solution

The fourth proportional to 73,354,513.20, 110,031,769.80 and 67,811,780.40 is: 101,717,670.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,354,513.20 : 110,031,769.80 = 67,811,780.40 : x
  2. Step 2: Convert to fraction form
    73,354,513.20/110,031,769.80 = 67,811,780.40/x
  3. Step 3: Cross multiply
    73,354,513.20x = 110,031,769.80 × 67,811,780.40
  4. Step 4: Simplify right side
    73,354,513.20x = 7,461,450,210,700,952
  5. Step 5: Solve for x
    x = 7,461,450,210,700,952/73,354,513.20
  6. Step 6: Final answer
    x = 101,717,670.60

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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.