Home / 191,610,415.35-287,411,486.83-53,432,341.81

Finding the Fourth Proportional to 191,610,415.35, 287,411,486.83 and 53,432,341.81

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Solution

The fourth proportional to 191,610,415.35, 287,411,486.83 and 53,432,341.81 is: 80,147,359.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,610,415.35 : 287,411,486.83 = 53,432,341.81 : x
  2. Step 2: Convert to fraction form
    191,610,415.35/287,411,486.83 = 53,432,341.81/x
  3. Step 3: Cross multiply
    191,610,415.35x = 287,411,486.83 × 53,432,341.81
  4. Step 4: Simplify right side
    191,610,415.35x = 15,357,068,803,568,762
  5. Step 5: Solve for x
    x = 15,357,068,803,568,762/191,610,415.35
  6. Step 6: Final answer
    x = 80,147,359.29

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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.