Home / 153,243,547.56-211,476,040.20-83,628,928.56

Finding the Fourth Proportional to 153,243,547.56, 211,476,040.20 and 83,628,928.56

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Solution

The fourth proportional to 153,243,547.56, 211,476,040.20 and 83,628,928.56 is: 115,407,891.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,243,547.56 : 211,476,040.20 = 83,628,928.56 : x
  2. Step 2: Convert to fraction form
    153,243,547.56/211,476,040.20 = 83,628,928.56/x
  3. Step 3: Cross multiply
    153,243,547.56x = 211,476,040.20 × 83,628,928.56
  4. Step 4: Simplify right side
    153,243,547.56x = 17,685,514,658,037,488
  5. Step 5: Solve for x
    x = 17,685,514,658,037,488/153,243,547.56
  6. Step 6: Final answer
    x = 115,407,891.16

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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.