Home / 147,498,981.60-221,248,472.40-70,971,477.60

Finding the Fourth Proportional to 147,498,981.60, 221,248,472.40 and 70,971,477.60

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Solution

The fourth proportional to 147,498,981.60, 221,248,472.40 and 70,971,477.60 is: 106,457,216.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,498,981.60 : 221,248,472.40 = 70,971,477.60 : x
  2. Step 2: Convert to fraction form
    147,498,981.60/221,248,472.40 = 70,971,477.60/x
  3. Step 3: Cross multiply
    147,498,981.60x = 221,248,472.40 × 70,971,477.60
  4. Step 4: Simplify right side
    147,498,981.60x = 15,702,331,002,970,818
  5. Step 5: Solve for x
    x = 15,702,331,002,970,818/147,498,981.60
  6. Step 6: Final answer
    x = 106,457,216.40

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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.