Home / 153,046,141.04-211,201,929.24-83,429,986.16

Finding the Fourth Proportional to 153,046,141.04, 211,201,929.24 and 83,429,986.16

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Solution

The fourth proportional to 153,046,141.04, 211,201,929.24 and 83,429,986.16 is: 115,132,429.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,046,141.04 : 211,201,929.24 = 83,429,986.16 : x
  2. Step 2: Convert to fraction form
    153,046,141.04/211,201,929.24 = 83,429,986.16/x
  3. Step 3: Cross multiply
    153,046,141.04x = 211,201,929.24 × 83,429,986.16
  4. Step 4: Simplify right side
    153,046,141.04x = 17,620,574,033,458,500
  5. Step 5: Solve for x
    x = 17,620,574,033,458,500/153,046,141.04
  6. Step 6: Final answer
    x = 115,132,429.43

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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.