Home / 151,928,633.47-209,597,312.81-101,709,031.12

Finding the Fourth Proportional to 151,928,633.47, 209,597,312.81 and 101,709,031.12

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Solution

The fourth proportional to 151,928,633.47, 209,597,312.81 and 101,709,031.12 is: 140,315,483.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,928,633.47 : 209,597,312.81 = 101,709,031.12 : x
  2. Step 2: Convert to fraction form
    151,928,633.47/209,597,312.81 = 101,709,031.12/x
  3. Step 3: Cross multiply
    151,928,633.47x = 209,597,312.81 × 101,709,031.12
  4. Step 4: Simplify right side
    151,928,633.47x = 21,317,939,609,704,132
  5. Step 5: Solve for x
    x = 21,317,939,609,704,132/151,928,633.47
  6. Step 6: Final answer
    x = 140,315,483.15

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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.