Home / 302,819,985.12-454,233,594.38-84,457,041.46

Finding the Fourth Proportional to 302,819,985.12, 454,233,594.38 and 84,457,041.46

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Solution

The fourth proportional to 302,819,985.12, 454,233,594.38 and 84,457,041.46 is: 126,686,570.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,819,985.12 : 454,233,594.38 = 84,457,041.46 : x
  2. Step 2: Convert to fraction form
    302,819,985.12/454,233,594.38 = 84,457,041.46/x
  3. Step 3: Cross multiply
    302,819,985.12x = 454,233,594.38 × 84,457,041.46
  4. Step 4: Simplify right side
    302,819,985.12x = 38,363,225,513,672,736
  5. Step 5: Solve for x
    x = 38,363,225,513,672,736/302,819,985.12
  6. Step 6: Final answer
    x = 126,686,570.90

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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.