Home / 154,686,339.47-214,029,249.95-134,881,399.64

Finding the Fourth Proportional to 154,686,339.47, 214,029,249.95 and 134,881,399.64

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Solution

The fourth proportional to 154,686,339.47, 214,029,249.95 and 134,881,399.64 is: 186,626,465.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,686,339.47 : 214,029,249.95 = 134,881,399.64 : x
  2. Step 2: Convert to fraction form
    154,686,339.47/214,029,249.95 = 134,881,399.64/x
  3. Step 3: Cross multiply
    154,686,339.47x = 214,029,249.95 × 134,881,399.64
  4. Step 4: Simplify right side
    154,686,339.47x = 28,868,564,797,155,396
  5. Step 5: Solve for x
    x = 28,868,564,797,155,396/154,686,339.47
  6. Step 6: Final answer
    x = 186,626,465.50

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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.