Home / 142,705,465.47-196,961,160.87-93,059,648.55

Finding the Fourth Proportional to 142,705,465.47, 196,961,160.87 and 93,059,648.55

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Solution

The fourth proportional to 142,705,465.47, 196,961,160.87 and 93,059,648.55 is: 128,440,325.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,705,465.47 : 196,961,160.87 = 93,059,648.55 : x
  2. Step 2: Convert to fraction form
    142,705,465.47/196,961,160.87 = 93,059,648.55/x
  3. Step 3: Cross multiply
    142,705,465.47x = 196,961,160.87 × 93,059,648.55
  4. Step 4: Simplify right side
    142,705,465.47x = 18,329,136,408,562,212
  5. Step 5: Solve for x
    x = 18,329,136,408,562,212/142,705,465.47
  6. Step 6: Final answer
    x = 128,440,325.31

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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.