Home / 93,363,911.80-139,951,389.30-55,005,681.40

Finding the Fourth Proportional to 93,363,911.80, 139,951,389.30 and 55,005,681.40

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Solution

The fourth proportional to 93,363,911.80, 139,951,389.30 and 55,005,681.40 is: 82,452,859.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,363,911.80 : 139,951,389.30 = 55,005,681.40 : x
  2. Step 2: Convert to fraction form
    93,363,911.80/139,951,389.30 = 55,005,681.40/x
  3. Step 3: Cross multiply
    93,363,911.80x = 139,951,389.30 × 55,005,681.40
  4. Step 4: Simplify right side
    93,363,911.80x = 7,698,121,531,323,169
  5. Step 5: Solve for x
    x = 7,698,121,531,323,169/93,363,911.80
  6. Step 6: Final answer
    x = 82,452,859.81

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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.