Home / 83,878,175,883.40-115,751,100,437.94-45,816,368,314.12

Finding the Fourth Proportional to 83,878,175,883.40, 115,751,100,437.94 and 45,816,368,314.12

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Solution

The fourth proportional to 83,878,175,883.40, 115,751,100,437.94 and 45,816,368,314.12 is: 63,226,160,971.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,878,175,883.40 : 115,751,100,437.94 = 45,816,368,314.12 : x
  2. Step 2: Convert to fraction form
    83,878,175,883.40/115,751,100,437.94 = 45,816,368,314.12/x
  3. Step 3: Cross multiply
    83,878,175,883.40x = 115,751,100,437.94 × 45,816,368,314.12
  4. Step 4: Simplify right side
    83,878,175,883.40x = 5,303,295,050,429,355,786,240
  5. Step 5: Solve for x
    x = 5,303,295,050,429,355,786,240/83,878,175,883.40
  6. Step 6: Final answer
    x = 63,226,160,971.85

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1.5x scale

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.