Home / 93,312,149.60-139,968,224.40-85,921,839.20

Finding the Fourth Proportional to 93,312,149.60, 139,968,224.40 and 85,921,839.20

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Solution

The fourth proportional to 93,312,149.60, 139,968,224.40 and 85,921,839.20 is: 128,882,758.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,149.60 : 139,968,224.40 = 85,921,839.20 : x
  2. Step 2: Convert to fraction form
    93,312,149.60/139,968,224.40 = 85,921,839.20/x
  3. Step 3: Cross multiply
    93,312,149.60x = 139,968,224.40 × 85,921,839.20
  4. Step 4: Simplify right side
    93,312,149.60x = 12,026,327,270,006,318
  5. Step 5: Solve for x
    x = 12,026,327,270,006,318/93,312,149.60
  6. Step 6: Final answer
    x = 128,882,758.80

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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.