Home / 127,872,461.60-191,808,692.40-47,076,711.20

Finding the Fourth Proportional to 127,872,461.60, 191,808,692.40 and 47,076,711.20

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Solution

The fourth proportional to 127,872,461.60, 191,808,692.40 and 47,076,711.20 is: 70,615,066.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,872,461.60 : 191,808,692.40 = 47,076,711.20 : x
  2. Step 2: Convert to fraction form
    127,872,461.60/191,808,692.40 = 47,076,711.20/x
  3. Step 3: Cross multiply
    127,872,461.60x = 191,808,692.40 × 47,076,711.20
  4. Step 4: Simplify right side
    127,872,461.60x = 9,029,722,417,764,436
  5. Step 5: Solve for x
    x = 9,029,722,417,764,436/127,872,461.60
  6. Step 6: Final answer
    x = 70,615,066.80

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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.