Home / 99,639,215.51-137,502,176.38-55,586,214.50

Finding the Fourth Proportional to 99,639,215.51, 137,502,176.38 and 55,586,214.50

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Solution

The fourth proportional to 99,639,215.51, 137,502,176.38 and 55,586,214.50 is: 76,709,008.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,639,215.51 : 137,502,176.38 = 55,586,214.50 : x
  2. Step 2: Convert to fraction form
    99,639,215.51/137,502,176.38 = 55,586,214.50/x
  3. Step 3: Cross multiply
    99,639,215.51x = 137,502,176.38 × 55,586,214.50
  4. Step 4: Simplify right side
    99,639,215.51x = 7,643,225,470,197,582
  5. Step 5: Solve for x
    x = 7,643,225,470,197,582/99,639,215.51
  6. Step 6: Final answer
    x = 76,709,008.91

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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.