Home / 88,010,742.74-121,462,510.86-51,353,123.54

Finding the Fourth Proportional to 88,010,742.74, 121,462,510.86 and 51,353,123.54

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Solution

The fourth proportional to 88,010,742.74, 121,462,510.86 and 51,353,123.54 is: 70,871,795.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,010,742.74 : 121,462,510.86 = 51,353,123.54 : x
  2. Step 2: Convert to fraction form
    88,010,742.74/121,462,510.86 = 51,353,123.54/x
  3. Step 3: Cross multiply
    88,010,742.74x = 121,462,510.86 × 51,353,123.54
  4. Step 4: Simplify right side
    88,010,742.74x = 6,237,479,325,064,859
  5. Step 5: Solve for x
    x = 6,237,479,325,064,859/88,010,742.74
  6. Step 6: Final answer
    x = 70,871,795.09

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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.