Home / 107,892,345.40-161,838,518.10-61,786,886.20

Finding the Fourth Proportional to 107,892,345.40, 161,838,518.10 and 61,786,886.20

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Solution

The fourth proportional to 107,892,345.40, 161,838,518.10 and 61,786,886.20 is: 92,680,329.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,892,345.40 : 161,838,518.10 = 61,786,886.20 : x
  2. Step 2: Convert to fraction form
    107,892,345.40/161,838,518.10 = 61,786,886.20/x
  3. Step 3: Cross multiply
    107,892,345.40x = 161,838,518.10 × 61,786,886.20
  4. Step 4: Simplify right side
    107,892,345.40x = 9,999,498,100,621,340
  5. Step 5: Solve for x
    x = 9,999,498,100,621,340/107,892,345.40
  6. Step 6: Final answer
    x = 92,680,329.30

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1.5x scale

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.