Home / 100,316,734,263.26-138,437,115,880.08-55,206,461,075.32

Finding the Fourth Proportional to 100,316,734,263.26, 138,437,115,880.08 and 55,206,461,075.32

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Solution

The fourth proportional to 100,316,734,263.26, 138,437,115,880.08 and 55,206,461,075.32 is: 76,184,928,719.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,316,734,263.26 : 138,437,115,880.08 = 55,206,461,075.32 : x
  2. Step 2: Convert to fraction form
    100,316,734,263.26/138,437,115,880.08 = 55,206,461,075.32/x
  3. Step 3: Cross multiply
    100,316,734,263.26x = 138,437,115,880.08 × 55,206,461,075.32
  4. Step 4: Simplify right side
    100,316,734,263.26x = 7,642,623,249,212,508,209,152
  5. Step 5: Solve for x
    x = 7,642,623,249,212,508,209,152/100,316,734,263.26
  6. Step 6: Final answer
    x = 76,184,928,719.43

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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.