Home / 153,233,187.03-211,466,263.86-83,623,051.62

Finding the Fourth Proportional to 153,233,187.03, 211,466,263.86 and 83,623,051.62

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Solution

The fourth proportional to 153,233,187.03, 211,466,263.86 and 83,623,051.62 is: 115,402,248.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,233,187.03 : 211,466,263.86 = 83,623,051.62 : x
  2. Step 2: Convert to fraction form
    153,233,187.03/211,466,263.86 = 83,623,051.62/x
  3. Step 3: Cross multiply
    153,233,187.03x = 211,466,263.86 × 83,623,051.62
  4. Step 4: Simplify right side
    153,233,187.03x = 17,683,454,298,653,322
  5. Step 5: Solve for x
    x = 17,683,454,298,653,322/153,233,187.03
  6. Step 6: Final answer
    x = 115,402,248.31

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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.