Home / 185,509,699.80-278,370,837.90-70,576,726.20

Finding the Fourth Proportional to 185,509,699.80, 278,370,837.90 and 70,576,726.20

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Solution

The fourth proportional to 185,509,699.80, 278,370,837.90 and 70,576,726.20 is: 105,905,526.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,509,699.80 : 278,370,837.90 = 70,576,726.20 : x
  2. Step 2: Convert to fraction form
    185,509,699.80/278,370,837.90 = 70,576,726.20/x
  3. Step 3: Cross multiply
    185,509,699.80x = 278,370,837.90 × 70,576,726.20
  4. Step 4: Simplify right side
    185,509,699.80x = 19,646,502,408,532,884
  5. Step 5: Solve for x
    x = 19,646,502,408,532,884/185,509,699.80
  6. Step 6: Final answer
    x = 105,905,526.39

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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.