Home / 187,973,963.51-282,018,690.23-89,731,042.11

Finding the Fourth Proportional to 187,973,963.51, 282,018,690.23 and 89,731,042.11

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Solution

The fourth proportional to 187,973,963.51, 282,018,690.23 and 89,731,042.11 is: 134,624,128.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,973,963.51 : 282,018,690.23 = 89,731,042.11 : x
  2. Step 2: Convert to fraction form
    187,973,963.51/282,018,690.23 = 89,731,042.11/x
  3. Step 3: Cross multiply
    187,973,963.51x = 282,018,690.23 × 89,731,042.11
  4. Step 4: Simplify right side
    187,973,963.51x = 25,305,830,968,386,524
  5. Step 5: Solve for x
    x = 25,305,830,968,386,524/187,973,963.51
  6. Step 6: Final answer
    x = 134,624,128.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.