Home / 85,740,397.70-128,610,696.87-23,492,239.11

Finding the Fourth Proportional to 85,740,397.70, 128,610,696.87 and 23,492,239.11

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Solution

The fourth proportional to 85,740,397.70, 128,610,696.87 and 23,492,239.11 is: 35,238,386.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,740,397.70 : 128,610,696.87 = 23,492,239.11 : x
  2. Step 2: Convert to fraction form
    85,740,397.70/128,610,696.87 = 23,492,239.11/x
  3. Step 3: Cross multiply
    85,740,397.70x = 128,610,696.87 × 23,492,239.11
  4. Step 4: Simplify right side
    85,740,397.70x = 3,021,353,242,973,768.50
  5. Step 5: Solve for x
    x = 3,021,353,242,973,768.50/85,740,397.70
  6. Step 6: Final answer
    x = 35,238,386.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.