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Finding the Fourth Proportional to 75,076,267.60, 105,333,522.80 and 75,076,267.60

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Solution

The fourth proportional to 75,076,267.60, 105,333,522.80 and 75,076,267.60 is: 105,333,522.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,076,267.60 : 105,333,522.80 = 75,076,267.60 : x
  2. Step 2: Convert to fraction form
    75,076,267.60/105,333,522.80 = 75,076,267.60/x
  3. Step 3: Cross multiply
    75,076,267.60x = 105,333,522.80 × 75,076,267.60
  4. Step 4: Simplify right side
    75,076,267.60x = 7,908,047,744,983,500
  5. Step 5: Solve for x
    x = 7,908,047,744,983,500/75,076,267.60
  6. Step 6: Final answer
    x = 105,333,522.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.