Home / 67,648,383.60-93,330,368.10-38,279,403.60

Finding the Fourth Proportional to 67,648,383.60, 93,330,368.10 and 38,279,403.60

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Solution

The fourth proportional to 67,648,383.60, 93,330,368.10 and 38,279,403.60 is: 52,811,769.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,648,383.60 : 93,330,368.10 = 38,279,403.60 : x
  2. Step 2: Convert to fraction form
    67,648,383.60/93,330,368.10 = 38,279,403.60/x
  3. Step 3: Cross multiply
    67,648,383.60x = 93,330,368.10 × 38,279,403.60
  4. Step 4: Simplify right side
    67,648,383.60x = 3,572,630,828,636,465
  5. Step 5: Solve for x
    x = 3,572,630,828,636,465/67,648,383.60
  6. Step 6: Final answer
    x = 52,811,769.31

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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.