Home / 156,927,746.20-235,391,619.30-70,707,458.20

Finding the Fourth Proportional to 156,927,746.20, 235,391,619.30 and 70,707,458.20

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Solution

The fourth proportional to 156,927,746.20, 235,391,619.30 and 70,707,458.20 is: 106,061,187.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,927,746.20 : 235,391,619.30 = 70,707,458.20 : x
  2. Step 2: Convert to fraction form
    156,927,746.20/235,391,619.30 = 70,707,458.20/x
  3. Step 3: Cross multiply
    156,927,746.20x = 235,391,619.30 × 70,707,458.20
  4. Step 4: Simplify right side
    156,927,746.20x = 16,643,943,082,285,064
  5. Step 5: Solve for x
    x = 16,643,943,082,285,064/156,927,746.20
  6. Step 6: Final answer
    x = 106,061,187.30

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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.