Home / 121,717,913.90-167,974,783.36-66,713,911.34

Finding the Fourth Proportional to 121,717,913.90, 167,974,783.36 and 66,713,911.34

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Solution

The fourth proportional to 121,717,913.90, 167,974,783.36 and 66,713,911.34 is: 92,067,424.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,717,913.90 : 167,974,783.36 = 66,713,911.34 : x
  2. Step 2: Convert to fraction form
    121,717,913.90/167,974,783.36 = 66,713,911.34/x
  3. Step 3: Cross multiply
    121,717,913.90x = 167,974,783.36 × 66,713,911.34
  4. Step 4: Simplify right side
    121,717,913.90x = 11,206,254,803,428,088
  5. Step 5: Solve for x
    x = 11,206,254,803,428,088/121,717,913.90
  6. Step 6: Final answer
    x = 92,067,424.14

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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.