Home / 127,890,000.60-191,835,000.90-47,142,461.40

Finding the Fourth Proportional to 127,890,000.60, 191,835,000.90 and 47,142,461.40

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Solution

The fourth proportional to 127,890,000.60, 191,835,000.90 and 47,142,461.40 is: 70,713,692.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,890,000.60 : 191,835,000.90 = 47,142,461.40 : x
  2. Step 2: Convert to fraction form
    127,890,000.60/191,835,000.90 = 47,142,461.40/x
  3. Step 3: Cross multiply
    127,890,000.60x = 191,835,000.90 × 47,142,461.40
  4. Step 4: Simplify right side
    127,890,000.60x = 9,043,574,125,097,216
  5. Step 5: Solve for x
    x = 9,043,574,125,097,216/127,890,000.60
  6. Step 6: Final answer
    x = 70,713,692.10

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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.