Home / 151,333,880.32-208,815,465.32-84,338,206.35

Finding the Fourth Proportional to 151,333,880.32, 208,815,465.32 and 84,338,206.35

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Solution

The fourth proportional to 151,333,880.32, 208,815,465.32 and 84,338,206.35 is: 116,372,630.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,333,880.32 : 208,815,465.32 = 84,338,206.35 : x
  2. Step 2: Convert to fraction form
    151,333,880.32/208,815,465.32 = 84,338,206.35/x
  3. Step 3: Cross multiply
    151,333,880.32x = 208,815,465.32 × 84,338,206.35
  4. Step 4: Simplify right side
    151,333,880.32x = 17,611,121,803,229,426
  5. Step 5: Solve for x
    x = 17,611,121,803,229,426/151,333,880.32
  6. Step 6: Final answer
    x = 116,372,630.94

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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.