Home / 153,457,175.90-211,768,424.79-83,841,058.46

Finding the Fourth Proportional to 153,457,175.90, 211,768,424.79 and 83,841,058.46

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Solution

The fourth proportional to 153,457,175.90, 211,768,424.79 and 83,841,058.46 is: 115,699,306.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,457,175.90 : 211,768,424.79 = 83,841,058.46 : x
  2. Step 2: Convert to fraction form
    153,457,175.90/211,768,424.79 = 83,841,058.46/x
  3. Step 3: Cross multiply
    153,457,175.90x = 211,768,424.79 × 83,841,058.46
  4. Step 4: Simplify right side
    153,457,175.90x = 17,754,888,882,800,502
  5. Step 5: Solve for x
    x = 17,754,888,882,800,502/153,457,175.90
  6. Step 6: Final answer
    x = 115,699,306.85

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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.