Home / 134,136,941.60-201,205,412.40-72,914,938.40

Finding the Fourth Proportional to 134,136,941.60, 201,205,412.40 and 72,914,938.40

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Solution

The fourth proportional to 134,136,941.60, 201,205,412.40 and 72,914,938.40 is: 109,372,407.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,136,941.60 : 201,205,412.40 = 72,914,938.40 : x
  2. Step 2: Convert to fraction form
    134,136,941.60/201,205,412.40 = 72,914,938.40/x
  3. Step 3: Cross multiply
    134,136,941.60x = 201,205,412.40 × 72,914,938.40
  4. Step 4: Simplify right side
    134,136,941.60x = 14,670,880,250,892,598
  5. Step 5: Solve for x
    x = 14,670,880,250,892,598/134,136,941.60
  6. Step 6: Final answer
    x = 109,372,407.60

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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.