Home / 191,612,606.45-287,442,812.67-75,012,901.01

Finding the Fourth Proportional to 191,612,606.45, 287,442,812.67 and 75,012,901.01

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Solution

The fourth proportional to 191,612,606.45, 287,442,812.67 and 75,012,901.01 is: 112,528,709.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,612,606.45 : 287,442,812.67 = 75,012,901.01 : x
  2. Step 2: Convert to fraction form
    191,612,606.45/287,442,812.67 = 75,012,901.01/x
  3. Step 3: Cross multiply
    191,612,606.45x = 287,442,812.67 × 75,012,901.01
  4. Step 4: Simplify right side
    191,612,606.45x = 21,561,919,252,210,084
  5. Step 5: Solve for x
    x = 21,561,919,252,210,084/191,612,606.45
  6. Step 6: Final answer
    x = 112,528,709.11

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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.