Home / 146,700,905.10-219,911,389.65-54,559,970.70

Finding the Fourth Proportional to 146,700,905.10, 219,911,389.65 and 54,559,970.70

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Solution

The fourth proportional to 146,700,905.10, 219,911,389.65 and 54,559,970.70 is: 81,787,900.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,700,905.10 : 219,911,389.65 = 54,559,970.70 : x
  2. Step 2: Convert to fraction form
    146,700,905.10/219,911,389.65 = 54,559,970.70/x
  3. Step 3: Cross multiply
    146,700,905.10x = 219,911,389.65 × 54,559,970.70
  4. Step 4: Simplify right side
    146,700,905.10x = 11,998,358,975,900,284
  5. Step 5: Solve for x
    x = 11,998,358,975,900,284/146,700,905.10
  6. Step 6: Final answer
    x = 81,787,900.13

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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.