Home / 191,353,105.10-286,796,471.47-99,186,030.58

Finding the Fourth Proportional to 191,353,105.10, 286,796,471.47 and 99,186,030.58

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Solution

The fourth proportional to 191,353,105.10, 286,796,471.47 and 99,186,030.58 is: 148,658,176.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,353,105.10 : 286,796,471.47 = 99,186,030.58 : x
  2. Step 2: Convert to fraction form
    191,353,105.10/286,796,471.47 = 99,186,030.58/x
  3. Step 3: Cross multiply
    191,353,105.10x = 286,796,471.47 × 99,186,030.58
  4. Step 4: Simplify right side
    191,353,105.10x = 28,446,203,589,459,520
  5. Step 5: Solve for x
    x = 28,446,203,589,459,520/191,353,105.10
  6. Step 6: Final answer
    x = 148,658,176.07

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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.