Home / 153,099,471,802.18-211,276,534,445.09-84,510,284,951.76

Finding the Fourth Proportional to 153,099,471,802.18, 211,276,534,445.09 and 84,510,284,951.76

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Solution

The fourth proportional to 153,099,471,802.18, 211,276,534,445.09 and 84,510,284,951.76 is: 116,623,786,610.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,099,471,802.18 : 211,276,534,445.09 = 84,510,284,951.76 : x
  2. Step 2: Convert to fraction form
    153,099,471,802.18/211,276,534,445.09 = 84,510,284,951.76/x
  3. Step 3: Cross multiply
    153,099,471,802.18x = 211,276,534,445.09 × 84,510,284,951.76
  4. Step 4: Simplify right side
    153,099,471,802.18x = 17,855,040,129,573,836,554,240
  5. Step 5: Solve for x
    x = 17,855,040,129,573,836,554,240/153,099,471,802.18
  6. Step 6: Final answer
    x = 116,623,786,610.08

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1.5x scale

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.