Home / 125,208,006.40-187,812,009.60-57,183,558.40

Finding the Fourth Proportional to 125,208,006.40, 187,812,009.60 and 57,183,558.40

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Solution

The fourth proportional to 125,208,006.40, 187,812,009.60 and 57,183,558.40 is: 85,775,337.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,208,006.40 : 187,812,009.60 = 57,183,558.40 : x
  2. Step 2: Convert to fraction form
    125,208,006.40/187,812,009.60 = 57,183,558.40/x
  3. Step 3: Cross multiply
    125,208,006.40x = 187,812,009.60 × 57,183,558.40
  4. Step 4: Simplify right side
    125,208,006.40x = 10,739,759,019,182,960
  5. Step 5: Solve for x
    x = 10,739,759,019,182,960/125,208,006.40
  6. Step 6: Final answer
    x = 85,775,337.60

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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.