Home / 153,233,190.53-211,466,268.69-83,623,055.12

Finding the Fourth Proportional to 153,233,190.53, 211,466,268.69 and 83,623,055.12

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Solution

The fourth proportional to 153,233,190.53, 211,466,268.69 and 83,623,055.12 is: 115,402,253.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,233,190.53 : 211,466,268.69 = 83,623,055.12 : x
  2. Step 2: Convert to fraction form
    153,233,190.53/211,466,268.69 = 83,623,055.12/x
  3. Step 3: Cross multiply
    153,233,190.53x = 211,466,268.69 × 83,623,055.12
  4. Step 4: Simplify right side
    153,233,190.53x = 17,683,455,442,684,602
  5. Step 5: Solve for x
    x = 17,683,455,442,684,602/153,233,190.53
  6. Step 6: Final answer
    x = 115,402,253.14

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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.