Home / 85,538,068.40-128,312,017.80-24,963,143.60

Finding the Fourth Proportional to 85,538,068.40, 128,312,017.80 and 24,963,143.60

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Solution

The fourth proportional to 85,538,068.40, 128,312,017.80 and 24,963,143.60 is: 37,446,149.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,538,068.40 : 128,312,017.80 = 24,963,143.60 : x
  2. Step 2: Convert to fraction form
    85,538,068.40/128,312,017.80 = 24,963,143.60/x
  3. Step 3: Cross multiply
    85,538,068.40x = 128,312,017.80 × 24,963,143.60
  4. Step 4: Simplify right side
    85,538,068.40x = 3,203,071,325,947,156
  5. Step 5: Solve for x
    x = 3,203,071,325,947,156/85,538,068.40
  6. Step 6: Final answer
    x = 37,446,149.84

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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.