Home / 134,880,018.52-186,124,035.81-76,148,488.93

Finding the Fourth Proportional to 134,880,018.52, 186,124,035.81 and 76,148,488.93

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Solution

The fourth proportional to 134,880,018.52, 186,124,035.81 and 76,148,488.93 is: 105,079,049.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,880,018.52 : 186,124,035.81 = 76,148,488.93 : x
  2. Step 2: Convert to fraction form
    134,880,018.52/186,124,035.81 = 76,148,488.93/x
  3. Step 3: Cross multiply
    134,880,018.52x = 186,124,035.81 × 76,148,488.93
  4. Step 4: Simplify right side
    134,880,018.52x = 14,173,064,080,484,710
  5. Step 5: Solve for x
    x = 14,173,064,080,484,710/134,880,018.52
  6. Step 6: Final answer
    x = 105,079,049.04

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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.