Home / 313,291,820.16-432,248,428.08-187,798,227.36

Finding the Fourth Proportional to 313,291,820.16, 432,248,428.08 and 187,798,227.36

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Solution

The fourth proportional to 313,291,820.16, 432,248,428.08 and 187,798,227.36 is: 259,105,036.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,291,820.16 : 432,248,428.08 = 187,798,227.36 : x
  2. Step 2: Convert to fraction form
    313,291,820.16/432,248,428.08 = 187,798,227.36/x
  3. Step 3: Cross multiply
    313,291,820.16x = 432,248,428.08 × 187,798,227.36
  4. Step 4: Simplify right side
    313,291,820.16x = 81,175,488,572,570,448
  5. Step 5: Solve for x
    x = 81,175,488,572,570,448/313,291,820.16
  6. Step 6: Final answer
    x = 259,105,036.74

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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.