Home / 151,390,717.00-208,919,280.98-81,776,128.64

Finding the Fourth Proportional to 151,390,717.00, 208,919,280.98 and 81,776,128.64

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Solution

The fourth proportional to 151,390,717.00, 208,919,280.98 and 81,776,128.64 is: 112,851,106.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,390,717.00 : 208,919,280.98 = 81,776,128.64 : x
  2. Step 2: Convert to fraction form
    151,390,717.00/208,919,280.98 = 81,776,128.64/x
  3. Step 3: Cross multiply
    151,390,717.00x = 208,919,280.98 × 81,776,128.64
  4. Step 4: Simplify right side
    151,390,717.00x = 17,084,609,995,956,630
  5. Step 5: Solve for x
    x = 17,084,609,995,956,630/151,390,717.00
  6. Step 6: Final answer
    x = 112,851,106.96

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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.