Home / 112,762,031.65-155,615,881.12-63,203,321.32

Finding the Fourth Proportional to 112,762,031.65, 155,615,881.12 and 63,203,321.32

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Solution

The fourth proportional to 112,762,031.65, 155,615,881.12 and 63,203,321.32 is: 87,222,980.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,762,031.65 : 155,615,881.12 = 63,203,321.32 : x
  2. Step 2: Convert to fraction form
    112,762,031.65/155,615,881.12 = 63,203,321.32/x
  3. Step 3: Cross multiply
    112,762,031.65x = 155,615,881.12 × 63,203,321.32
  4. Step 4: Simplify right side
    112,762,031.65x = 9,835,440,536,375,856
  5. Step 5: Solve for x
    x = 9,835,440,536,375,856/112,762,031.65
  6. Step 6: Final answer
    x = 87,222,980.93

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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.