Home / 134,857,499.04-186,103,349.28-72,977,838.21

Finding the Fourth Proportional to 134,857,499.04, 186,103,349.28 and 72,977,838.21

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Solution

The fourth proportional to 134,857,499.04, 186,103,349.28 and 72,977,838.21 is: 100,709,417.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,857,499.04 : 186,103,349.28 = 72,977,838.21 : x
  2. Step 2: Convert to fraction form
    134,857,499.04/186,103,349.28 = 72,977,838.21/x
  3. Step 3: Cross multiply
    134,857,499.04x = 186,103,349.28 × 72,977,838.21
  4. Step 4: Simplify right side
    134,857,499.04x = 13,581,420,114,094,958
  5. Step 5: Solve for x
    x = 13,581,420,114,094,958/134,857,499.04
  6. Step 6: Final answer
    x = 100,709,417.06

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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.