Home / 99,688,851.90-149,533,277.85-56,541,383.10

Finding the Fourth Proportional to 99,688,851.90, 149,533,277.85 and 56,541,383.10

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Solution

The fourth proportional to 99,688,851.90, 149,533,277.85 and 56,541,383.10 is: 84,812,074.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,688,851.90 : 149,533,277.85 = 56,541,383.10 : x
  2. Step 2: Convert to fraction form
    99,688,851.90/149,533,277.85 = 56,541,383.10/x
  3. Step 3: Cross multiply
    99,688,851.90x = 149,533,277.85 × 56,541,383.10
  4. Step 4: Simplify right side
    99,688,851.90x = 8,454,818,349,115,594
  5. Step 5: Solve for x
    x = 8,454,818,349,115,594/99,688,851.90
  6. Step 6: Final answer
    x = 84,812,074.65

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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.