Home / 135,047,673.07-186,308,720.95-90,408,026.53

Finding the Fourth Proportional to 135,047,673.07, 186,308,720.95 and 90,408,026.53

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Solution

The fourth proportional to 135,047,673.07, 186,308,720.95 and 90,408,026.53 is: 124,724,872.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,047,673.07 : 186,308,720.95 = 90,408,026.53 : x
  2. Step 2: Convert to fraction form
    135,047,673.07/186,308,720.95 = 90,408,026.53/x
  3. Step 3: Cross multiply
    135,047,673.07x = 186,308,720.95 × 90,408,026.53
  4. Step 4: Simplify right side
    135,047,673.07x = 16,843,803,786,417,966
  5. Step 5: Solve for x
    x = 16,843,803,786,417,966/135,047,673.07
  6. Step 6: Final answer
    x = 124,724,872.36

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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.