Home / 140,210,417.71-193,480,239.53-77,485,765.08

Finding the Fourth Proportional to 140,210,417.71, 193,480,239.53 and 77,485,765.08

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Solution

The fourth proportional to 140,210,417.71, 193,480,239.53 and 77,485,765.08 is: 106,924,753.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,210,417.71 : 193,480,239.53 = 77,485,765.08 : x
  2. Step 2: Convert to fraction form
    140,210,417.71/193,480,239.53 = 77,485,765.08/x
  3. Step 3: Cross multiply
    140,210,417.71x = 193,480,239.53 × 77,485,765.08
  4. Step 4: Simplify right side
    140,210,417.71x = 14,991,964,388,762,974
  5. Step 5: Solve for x
    x = 14,991,964,388,762,974/140,210,417.71
  6. Step 6: Final answer
    x = 106,924,753.76

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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.