Home / 73,210,348.04-109,701,988.47-42,428,579.36

Finding the Fourth Proportional to 73,210,348.04, 109,701,988.47 and 42,428,579.36

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Solution

The fourth proportional to 73,210,348.04, 109,701,988.47 and 42,428,579.36 is: 63,577,071.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,210,348.04 : 109,701,988.47 = 42,428,579.36 : x
  2. Step 2: Convert to fraction form
    73,210,348.04/109,701,988.47 = 42,428,579.36/x
  3. Step 3: Cross multiply
    73,210,348.04x = 109,701,988.47 × 42,428,579.36
  4. Step 4: Simplify right side
    73,210,348.04x = 4,654,499,523,749,200
  5. Step 5: Solve for x
    x = 4,654,499,523,749,200/73,210,348.04
  6. Step 6: Final answer
    x = 63,577,071.39

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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.