Home / 66,051,138.60-99,076,707.90-60,098,999.40

Finding the Fourth Proportional to 66,051,138.60, 99,076,707.90 and 60,098,999.40

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Solution

The fourth proportional to 66,051,138.60, 99,076,707.90 and 60,098,999.40 is: 90,148,499.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,051,138.60 : 99,076,707.90 = 60,098,999.40 : x
  2. Step 2: Convert to fraction form
    66,051,138.60/99,076,707.90 = 60,098,999.40/x
  3. Step 3: Cross multiply
    66,051,138.60x = 99,076,707.90 × 60,098,999.40
  4. Step 4: Simplify right side
    66,051,138.60x = 5,954,411,008,636,075
  5. Step 5: Solve for x
    x = 5,954,411,008,636,075/66,051,138.60
  6. Step 6: Final answer
    x = 90,148,499.10

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1.5x scale

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.