Home / 153,232,908.90-211,465,880.31-83,622,773.71

Finding the Fourth Proportional to 153,232,908.90, 211,465,880.31 and 83,622,773.71

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Solution

The fourth proportional to 153,232,908.90, 211,465,880.31 and 83,622,773.71 is: 115,401,864.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,232,908.90 : 211,465,880.31 = 83,622,773.71 : x
  2. Step 2: Convert to fraction form
    153,232,908.90/211,465,880.31 = 83,622,773.71/x
  3. Step 3: Cross multiply
    153,232,908.90x = 211,465,880.31 × 83,622,773.71
  4. Step 4: Simplify right side
    153,232,908.90x = 17,683,363,456,549,074
  5. Step 5: Solve for x
    x = 17,683,363,456,549,074/153,232,908.90
  6. Step 6: Final answer
    x = 115,401,864.94

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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.