Home / 218,951,610.40-302,154,023.10-118,480,048.48

Finding the Fourth Proportional to 218,951,610.40, 302,154,023.10 and 118,480,048.48

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Solution

The fourth proportional to 218,951,610.40, 302,154,023.10 and 118,480,048.48 is: 163,502,900.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,951,610.40 : 302,154,023.10 = 118,480,048.48 : x
  2. Step 2: Convert to fraction form
    218,951,610.40/302,154,023.10 = 118,480,048.48/x
  3. Step 3: Cross multiply
    218,951,610.40x = 302,154,023.10 × 118,480,048.48
  4. Step 4: Simplify right side
    218,951,610.40x = 35,799,223,305,315,044
  5. Step 5: Solve for x
    x = 35,799,223,305,315,044/218,951,610.40
  6. Step 6: Final answer
    x = 163,502,900.21

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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.