Home / 117,249,681.23-175,876,018.59-30,987,342.71

Finding the Fourth Proportional to 117,249,681.23, 175,876,018.59 and 30,987,342.71

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Solution

The fourth proportional to 117,249,681.23, 175,876,018.59 and 30,987,342.71 is: 46,481,409.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,249,681.23 : 175,876,018.59 = 30,987,342.71 : x
  2. Step 2: Convert to fraction form
    117,249,681.23/175,876,018.59 = 30,987,342.71/x
  3. Step 3: Cross multiply
    117,249,681.23x = 175,876,018.59 × 30,987,342.71
  4. Step 4: Simplify right side
    117,249,681.23x = 5,449,930,462,518,661
  5. Step 5: Solve for x
    x = 5,449,930,462,518,661/117,249,681.23
  6. Step 6: Final answer
    x = 46,481,409.63

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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.