Home / 146,779,435.20-220,310,870.40-89,383,807.20

Finding the Fourth Proportional to 146,779,435.20, 220,310,870.40 and 89,383,807.20

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Solution

The fourth proportional to 146,779,435.20, 220,310,870.40 and 89,383,807.20 is: 134,162,012.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,779,435.20 : 220,310,870.40 = 89,383,807.20 : x
  2. Step 2: Convert to fraction form
    146,779,435.20/220,310,870.40 = 89,383,807.20/x
  3. Step 3: Cross multiply
    146,779,435.20x = 220,310,870.40 × 89,383,807.20
  4. Step 4: Simplify right side
    146,779,435.20x = 19,692,224,363,897,788
  5. Step 5: Solve for x
    x = 19,692,224,363,897,788/146,779,435.20
  6. Step 6: Final answer
    x = 134,162,012.12

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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.