Home / 120,553,433,868.38-180,830,150,740.28-45,012,483,903.87

Finding the Fourth Proportional to 120,553,433,868.38, 180,830,150,740.28 and 45,012,483,903.87

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Solution

The fourth proportional to 120,553,433,868.38, 180,830,150,740.28 and 45,012,483,903.87 is: 67,518,725,832.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,553,433,868.38 : 180,830,150,740.28 = 45,012,483,903.87 : x
  2. Step 2: Convert to fraction form
    120,553,433,868.38/180,830,150,740.28 = 45,012,483,903.87/x
  3. Step 3: Cross multiply
    120,553,433,868.38x = 180,830,150,740.28 × 45,012,483,903.87
  4. Step 4: Simplify right side
    120,553,433,868.38x = 8,139,614,249,531,240,087,552
  5. Step 5: Solve for x
    x = 8,139,614,249,531,240,087,552/120,553,433,868.38
  6. Step 6: Final answer
    x = 67,518,725,832.55

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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.