Home / 137,527,587.56-190,060,262.16-112,708,636.76

Finding the Fourth Proportional to 137,527,587.56, 190,060,262.16 and 112,708,636.76

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Solution

The fourth proportional to 137,527,587.56, 190,060,262.16 and 112,708,636.76 is: 155,760,988.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,527,587.56 : 190,060,262.16 = 112,708,636.76 : x
  2. Step 2: Convert to fraction form
    137,527,587.56/190,060,262.16 = 112,708,636.76/x
  3. Step 3: Cross multiply
    137,527,587.56x = 190,060,262.16 × 112,708,636.76
  4. Step 4: Simplify right side
    137,527,587.56x = 21,421,433,050,301,812
  5. Step 5: Solve for x
    x = 21,421,433,050,301,812/137,527,587.56
  6. Step 6: Final answer
    x = 155,760,988.98

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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.