Home / 87,826,314,598.38-121,155,708,756.15-57,360,331,590.87

Finding the Fourth Proportional to 87,826,314,598.38, 121,155,708,756.15 and 57,360,331,590.87

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Solution

The fourth proportional to 87,826,314,598.38, 121,155,708,756.15 and 57,360,331,590.87 is: 79,128,125,325.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,826,314,598.38 : 121,155,708,756.15 = 57,360,331,590.87 : x
  2. Step 2: Convert to fraction form
    87,826,314,598.38/121,155,708,756.15 = 57,360,331,590.87/x
  3. Step 3: Cross multiply
    87,826,314,598.38x = 121,155,708,756.15 × 57,360,331,590.87
  4. Step 4: Simplify right side
    87,826,314,598.38x = 6,949,531,628,379,636,236,288
  5. Step 5: Solve for x
    x = 6,949,531,628,379,636,236,288/87,826,314,598.38
  6. Step 6: Final answer
    x = 79,128,125,325.07

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1.5x scale

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.