Home / 191,612,607.16-287,442,813.74-75,012,901.73

Finding the Fourth Proportional to 191,612,607.16, 287,442,813.74 and 75,012,901.73

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Solution

The fourth proportional to 191,612,607.16, 287,442,813.74 and 75,012,901.73 is: 112,528,710.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,612,607.16 : 287,442,813.74 = 75,012,901.73 : x
  2. Step 2: Convert to fraction form
    191,612,607.16/287,442,813.74 = 75,012,901.73/x
  3. Step 3: Cross multiply
    191,612,607.16x = 287,442,813.74 × 75,012,901.73
  4. Step 4: Simplify right side
    191,612,607.16x = 21,561,919,540,073,316
  5. Step 5: Solve for x
    x = 21,561,919,540,073,316/191,612,607.16
  6. Step 6: Final answer
    x = 112,528,710.19

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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.