Home / 143,764,007.40-215,646,011.10-57,564,277.20

Finding the Fourth Proportional to 143,764,007.40, 215,646,011.10 and 57,564,277.20

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Solution

The fourth proportional to 143,764,007.40, 215,646,011.10 and 57,564,277.20 is: 86,346,415.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,764,007.40 : 215,646,011.10 = 57,564,277.20 : x
  2. Step 2: Convert to fraction form
    143,764,007.40/215,646,011.10 = 57,564,277.20/x
  3. Step 3: Cross multiply
    143,764,007.40x = 215,646,011.10 × 57,564,277.20
  4. Step 4: Simplify right side
    143,764,007.40x = 12,413,506,760,034,678
  5. Step 5: Solve for x
    x = 12,413,506,760,034,678/143,764,007.40
  6. Step 6: Final answer
    x = 86,346,415.80

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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.