Home / 74,465,151.40-111,697,727.10-73,205,439.40

Finding the Fourth Proportional to 74,465,151.40, 111,697,727.10 and 73,205,439.40

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Solution

The fourth proportional to 74,465,151.40, 111,697,727.10 and 73,205,439.40 is: 109,808,159.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,465,151.40 : 111,697,727.10 = 73,205,439.40 : x
  2. Step 2: Convert to fraction form
    74,465,151.40/111,697,727.10 = 73,205,439.40/x
  3. Step 3: Cross multiply
    74,465,151.40x = 111,697,727.10 × 73,205,439.40
  4. Step 4: Simplify right side
    74,465,151.40x = 8,176,881,192,336,788
  5. Step 5: Solve for x
    x = 8,176,881,192,336,788/74,465,151.40
  6. Step 6: Final answer
    x = 109,808,159.10

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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.