Home / 152,346,792.20-210,302,931.02-102,854,203.92

Finding the Fourth Proportional to 152,346,792.20, 210,302,931.02 and 102,854,203.92

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Solution

The fourth proportional to 152,346,792.20, 210,302,931.02 and 102,854,203.92 is: 141,982,251.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,346,792.20 : 210,302,931.02 = 102,854,203.92 : x
  2. Step 2: Convert to fraction form
    152,346,792.20/210,302,931.02 = 102,854,203.92/x
  3. Step 3: Cross multiply
    152,346,792.20x = 210,302,931.02 × 102,854,203.92
  4. Step 4: Simplify right side
    152,346,792.20x = 21,630,540,551,590,500
  5. Step 5: Solve for x
    x = 21,630,540,551,590,500/152,346,792.20
  6. Step 6: Final answer
    x = 141,982,251.41

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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.