Home / 138,506,314.91-208,257,822.23-127,708,600.19

Finding the Fourth Proportional to 138,506,314.91, 208,257,822.23 and 127,708,600.19

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Solution

The fourth proportional to 138,506,314.91, 208,257,822.23 and 127,708,600.19 is: 192,022,399.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,506,314.91 : 208,257,822.23 = 127,708,600.19 : x
  2. Step 2: Convert to fraction form
    138,506,314.91/208,257,822.23 = 127,708,600.19/x
  3. Step 3: Cross multiply
    138,506,314.91x = 208,257,822.23 × 127,708,600.19
  4. Step 4: Simplify right side
    138,506,314.91x = 26,596,314,953,931,332
  5. Step 5: Solve for x
    x = 26,596,314,953,931,332/138,506,314.91
  6. Step 6: Final answer
    x = 192,022,399.64

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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.