Home / 42,768,020.40-64,152,030.60-14,017,062.30

Finding the Fourth Proportional to 42,768,020.40, 64,152,030.60 and 14,017,062.30

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Solution

The fourth proportional to 42,768,020.40, 64,152,030.60 and 14,017,062.30 is: 21,025,593.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,768,020.40 : 64,152,030.60 = 14,017,062.30 : x
  2. Step 2: Convert to fraction form
    42,768,020.40/64,152,030.60 = 14,017,062.30/x
  3. Step 3: Cross multiply
    42,768,020.40x = 64,152,030.60 × 14,017,062.30
  4. Step 4: Simplify right side
    42,768,020.40x = 899,223,009,591,706.50
  5. Step 5: Solve for x
    x = 899,223,009,591,706.50/42,768,020.40
  6. Step 6: Final answer
    x = 21,025,593.45

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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.