Home / 153,457,175.40-211,768,424.10-83,841,057.96

Finding the Fourth Proportional to 153,457,175.40, 211,768,424.10 and 83,841,057.96

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Solution

The fourth proportional to 153,457,175.40, 211,768,424.10 and 83,841,057.96 is: 115,699,306.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,457,175.40 : 211,768,424.10 = 83,841,057.96 : x
  2. Step 2: Convert to fraction form
    153,457,175.40/211,768,424.10 = 83,841,057.96/x
  3. Step 3: Cross multiply
    153,457,175.40x = 211,768,424.10 × 83,841,057.96
  4. Step 4: Simplify right side
    153,457,175.40x = 17,754,888,719,065,958
  5. Step 5: Solve for x
    x = 17,754,888,719,065,958/153,457,175.40
  6. Step 6: Final answer
    x = 115,699,306.16

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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.