Home / 153,776,622.65-212,212,301.73-83,212,233.45

Finding the Fourth Proportional to 153,776,622.65, 212,212,301.73 and 83,212,233.45

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Solution

The fourth proportional to 153,776,622.65, 212,212,301.73 and 83,212,233.45 is: 114,833,186.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,776,622.65 : 212,212,301.73 = 83,212,233.45 : x
  2. Step 2: Convert to fraction form
    153,776,622.65/212,212,301.73 = 83,212,233.45/x
  3. Step 3: Cross multiply
    153,776,622.65x = 212,212,301.73 × 83,212,233.45
  4. Step 4: Simplify right side
    153,776,622.65x = 17,658,659,592,518,598
  5. Step 5: Solve for x
    x = 17,658,659,592,518,598/153,776,622.65
  6. Step 6: Final answer
    x = 114,833,186.53

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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.