Home / 93,312,006.10-139,968,009.15-86,509,561.30

Finding the Fourth Proportional to 93,312,006.10, 139,968,009.15 and 86,509,561.30

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Solution

The fourth proportional to 93,312,006.10, 139,968,009.15 and 86,509,561.30 is: 129,764,341.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,006.10 : 139,968,009.15 = 86,509,561.30 : x
  2. Step 2: Convert to fraction form
    93,312,006.10/139,968,009.15 = 86,509,561.30/x
  3. Step 3: Cross multiply
    93,312,006.10x = 139,968,009.15 × 86,509,561.30
  4. Step 4: Simplify right side
    93,312,006.10x = 12,108,571,067,600,886
  5. Step 5: Solve for x
    x = 12,108,571,067,600,886/93,312,006.10
  6. Step 6: Final answer
    x = 129,764,341.95

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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.