Home / 85,692,312.05-118,336,100.13-59,658,018.03

Finding the Fourth Proportional to 85,692,312.05, 118,336,100.13 and 59,658,018.03

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Solution

The fourth proportional to 85,692,312.05, 118,336,100.13 and 59,658,018.03 is: 82,384,253.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,692,312.05 : 118,336,100.13 = 59,658,018.03 : x
  2. Step 2: Convert to fraction form
    85,692,312.05/118,336,100.13 = 59,658,018.03/x
  3. Step 3: Cross multiply
    85,692,312.05x = 118,336,100.13 × 59,658,018.03
  4. Step 4: Simplify right side
    85,692,312.05x = 7,059,697,195,155,425
  5. Step 5: Solve for x
    x = 7,059,697,195,155,425/85,692,312.05
  6. Step 6: Final answer
    x = 82,384,253.93

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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.