Home / 103,507,246,131.64-141,804,265,802.33-99,636,556,338.65

Finding the Fourth Proportional to 103,507,246,131.64, 141,804,265,802.33 and 99,636,556,338.65

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Solution

The fourth proportional to 103,507,246,131.64, 141,804,265,802.33 and 99,636,556,338.65 is: 136,501,445,519.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,507,246,131.64 : 141,804,265,802.33 = 99,636,556,338.65 : x
  2. Step 2: Convert to fraction form
    103,507,246,131.64/141,804,265,802.33 = 99,636,556,338.65/x
  3. Step 3: Cross multiply
    103,507,246,131.64x = 141,804,265,802.33 × 99,636,556,338.65
  4. Step 4: Simplify right side
    103,507,246,131.64x = 14,128,888,718,674,750,341,120
  5. Step 5: Solve for x
    x = 14,128,888,718,674,750,341,120/103,507,246,131.64
  6. Step 6: Final answer
    x = 136,501,445,519.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.