Home / 90,337,719.84-135,509,525.72-43,003,980.08

Finding the Fourth Proportional to 90,337,719.84, 135,509,525.72 and 43,003,980.08

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Solution

The fourth proportional to 90,337,719.84, 135,509,525.72 and 43,003,980.08 is: 64,507,372.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,337,719.84 : 135,509,525.72 = 43,003,980.08 : x
  2. Step 2: Convert to fraction form
    90,337,719.84/135,509,525.72 = 43,003,980.08/x
  3. Step 3: Cross multiply
    90,337,719.84x = 135,509,525.72 × 43,003,980.08
  4. Step 4: Simplify right side
    90,337,719.84x = 5,827,448,944,713,127
  5. Step 5: Solve for x
    x = 5,827,448,944,713,127/90,337,719.84
  6. Step 6: Final answer
    x = 64,507,372.50

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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.