Home / 116,564,011.87-160,930,931.82-74,201,473.80

Finding the Fourth Proportional to 116,564,011.87, 160,930,931.82 and 74,201,473.80

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Solution

The fourth proportional to 116,564,011.87, 160,930,931.82 and 74,201,473.80 is: 102,444,246.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,564,011.87 : 160,930,931.82 = 74,201,473.80 : x
  2. Step 2: Convert to fraction form
    116,564,011.87/160,930,931.82 = 74,201,473.80/x
  3. Step 3: Cross multiply
    116,564,011.87x = 160,930,931.82 × 74,201,473.80
  4. Step 4: Simplify right side
    116,564,011.87x = 11,941,312,321,051,316
  5. Step 5: Solve for x
    x = 11,941,312,321,051,316/116,564,011.87
  6. Step 6: Final answer
    x = 102,444,246.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.