Home / 156,843,237.43-216,442,473.15-86,277,332.01

Finding the Fourth Proportional to 156,843,237.43, 216,442,473.15 and 86,277,332.01

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Solution

The fourth proportional to 156,843,237.43, 216,442,473.15 and 86,277,332.01 is: 119,062,061.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,843,237.43 : 216,442,473.15 = 86,277,332.01 : x
  2. Step 2: Convert to fraction form
    156,843,237.43/216,442,473.15 = 86,277,332.01/x
  3. Step 3: Cross multiply
    156,843,237.43x = 216,442,473.15 × 86,277,332.01
  4. Step 4: Simplify right side
    156,843,237.43x = 18,674,079,118,163,260
  5. Step 5: Solve for x
    x = 18,674,079,118,163,260/156,843,237.43
  6. Step 6: Final answer
    x = 119,062,061.10

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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.