Home / 120,553,433,866.87-180,830,150,738.03-45,012,483,902.36

Finding the Fourth Proportional to 120,553,433,866.87, 180,830,150,738.03 and 45,012,483,902.36

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Solution

The fourth proportional to 120,553,433,866.87, 180,830,150,738.03 and 45,012,483,902.36 is: 67,518,725,830.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,553,433,866.87 : 180,830,150,738.03 = 45,012,483,902.36 : x
  2. Step 2: Convert to fraction form
    120,553,433,866.87/180,830,150,738.03 = 45,012,483,902.36/x
  3. Step 3: Cross multiply
    120,553,433,866.87x = 180,830,150,738.03 × 45,012,483,902.36
  4. Step 4: Simplify right side
    120,553,433,866.87x = 8,139,614,249,157,450,006,528
  5. Step 5: Solve for x
    x = 8,139,614,249,157,450,006,528/120,553,433,866.87
  6. Step 6: Final answer
    x = 67,518,725,830.29

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1.5x scale

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.