Home / 153,382,662.84-211,673,297.95-90,712,482.92

Finding the Fourth Proportional to 153,382,662.84, 211,673,297.95 and 90,712,482.92

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Solution

The fourth proportional to 153,382,662.84, 211,673,297.95 and 90,712,482.92 is: 125,186,315.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,382,662.84 : 211,673,297.95 = 90,712,482.92 : x
  2. Step 2: Convert to fraction form
    153,382,662.84/211,673,297.95 = 90,712,482.92/x
  3. Step 3: Cross multiply
    153,382,662.84x = 211,673,297.95 × 90,712,482.92
  4. Step 4: Simplify right side
    153,382,662.84x = 19,201,410,424,909,444
  5. Step 5: Solve for x
    x = 19,201,410,424,909,444/153,382,662.84
  6. Step 6: Final answer
    x = 125,186,315.52

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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.