Home / 153,232,206.48-211,464,942.84-83,622,080.16

Finding the Fourth Proportional to 153,232,206.48, 211,464,942.84 and 83,622,080.16

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Solution

The fourth proportional to 153,232,206.48, 211,464,942.84 and 83,622,080.16 is: 115,400,925.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,232,206.48 : 211,464,942.84 = 83,622,080.16 : x
  2. Step 2: Convert to fraction form
    153,232,206.48/211,464,942.84 = 83,622,080.16/x
  3. Step 3: Cross multiply
    153,232,206.48x = 211,464,942.84 × 83,622,080.16
  4. Step 4: Simplify right side
    153,232,206.48x = 17,683,138,401,196,298
  5. Step 5: Solve for x
    x = 17,683,138,401,196,298/153,232,206.48
  6. Step 6: Final answer
    x = 115,400,925.22

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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.