Home / 143,713,068.48-215,566,482.60-40,079,507.40

Finding the Fourth Proportional to 143,713,068.48, 215,566,482.60 and 40,079,507.40

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Solution

The fourth proportional to 143,713,068.48, 215,566,482.60 and 40,079,507.40 is: 60,118,390.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,713,068.48 : 215,566,482.60 = 40,079,507.40 : x
  2. Step 2: Convert to fraction form
    143,713,068.48/215,566,482.60 = 40,079,507.40/x
  3. Step 3: Cross multiply
    143,713,068.48x = 215,566,482.60 × 40,079,507.40
  4. Step 4: Simplify right side
    143,713,068.48x = 8,639,798,434,558,671
  5. Step 5: Solve for x
    x = 8,639,798,434,558,671/143,713,068.48
  6. Step 6: Final answer
    x = 60,118,390.94

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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.