Home / 153,457,173.90-211,768,422.03-83,841,056.46

Finding the Fourth Proportional to 153,457,173.90, 211,768,422.03 and 83,841,056.46

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Solution

The fourth proportional to 153,457,173.90, 211,768,422.03 and 83,841,056.46 is: 115,699,304.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,457,173.90 : 211,768,422.03 = 83,841,056.46 : x
  2. Step 2: Convert to fraction form
    153,457,173.90/211,768,422.03 = 83,841,056.46/x
  3. Step 3: Cross multiply
    153,457,173.90x = 211,768,422.03 × 83,841,056.46
  4. Step 4: Simplify right side
    153,457,173.90x = 17,754,888,227,862,336
  5. Step 5: Solve for x
    x = 17,754,888,227,862,336/153,457,173.90
  6. Step 6: Final answer
    x = 115,699,304.09

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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.