Home / 156,863,419.10-235,295,128.65-70,769,977.10

Finding the Fourth Proportional to 156,863,419.10, 235,295,128.65 and 70,769,977.10

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Solution

The fourth proportional to 156,863,419.10, 235,295,128.65 and 70,769,977.10 is: 106,154,965.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,863,419.10 : 235,295,128.65 = 70,769,977.10 : x
  2. Step 2: Convert to fraction form
    156,863,419.10/235,295,128.65 = 70,769,977.10/x
  3. Step 3: Cross multiply
    156,863,419.10x = 235,295,128.65 × 70,769,977.10
  4. Step 4: Simplify right side
    156,863,419.10x = 16,651,830,866,302,052
  5. Step 5: Solve for x
    x = 16,651,830,866,302,052/156,863,419.10
  6. Step 6: Final answer
    x = 106,154,965.65

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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.