Home / 93,320,421.40-139,980,632.10-74,046,827.80

Finding the Fourth Proportional to 93,320,421.40, 139,980,632.10 and 74,046,827.80

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Solution

The fourth proportional to 93,320,421.40, 139,980,632.10 and 74,046,827.80 is: 111,070,241.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,320,421.40 : 139,980,632.10 = 74,046,827.80 : x
  2. Step 2: Convert to fraction form
    93,320,421.40/139,980,632.10 = 74,046,827.80/x
  3. Step 3: Cross multiply
    93,320,421.40x = 139,980,632.10 × 74,046,827.80
  4. Step 4: Simplify right side
    93,320,421.40x = 10,365,121,760,443,852
  5. Step 5: Solve for x
    x = 10,365,121,760,443,852/93,320,421.40
  6. Step 6: Final answer
    x = 111,070,241.70

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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.