Home / 112,403,973.28-155,105,613.84-63,501,957.28

Finding the Fourth Proportional to 112,403,973.28, 155,105,613.84 and 63,501,957.28

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Solution

The fourth proportional to 112,403,973.28, 155,105,613.84 and 63,501,957.28 is: 87,625,995.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,403,973.28 : 155,105,613.84 = 63,501,957.28 : x
  2. Step 2: Convert to fraction form
    112,403,973.28/155,105,613.84 = 63,501,957.28/x
  3. Step 3: Cross multiply
    112,403,973.28x = 155,105,613.84 × 63,501,957.28
  4. Step 4: Simplify right side
    112,403,973.28x = 9,849,510,063,955,858
  5. Step 5: Solve for x
    x = 9,849,510,063,955,858/112,403,973.28
  6. Step 6: Final answer
    x = 87,625,995.56

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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.