Home / 141,030,187.20-211,545,280.80-92,657,246.40

Finding the Fourth Proportional to 141,030,187.20, 211,545,280.80 and 92,657,246.40

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Solution

The fourth proportional to 141,030,187.20, 211,545,280.80 and 92,657,246.40 is: 138,985,869.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,030,187.20 : 211,545,280.80 = 92,657,246.40 : x
  2. Step 2: Convert to fraction form
    141,030,187.20/211,545,280.80 = 92,657,246.40/x
  3. Step 3: Cross multiply
    141,030,187.20x = 211,545,280.80 × 92,657,246.40
  4. Step 4: Simplify right side
    141,030,187.20x = 19,601,203,207,842,792
  5. Step 5: Solve for x
    x = 19,601,203,207,842,792/141,030,187.20
  6. Step 6: Final answer
    x = 138,985,869.60

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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.