Home / 93,312,006.10-139,968,009.15-85,921,695.70

Finding the Fourth Proportional to 93,312,006.10, 139,968,009.15 and 85,921,695.70

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Solution

The fourth proportional to 93,312,006.10, 139,968,009.15 and 85,921,695.70 is: 128,882,543.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,006.10 : 139,968,009.15 = 85,921,695.70 : x
  2. Step 2: Convert to fraction form
    93,312,006.10/139,968,009.15 = 85,921,695.70/x
  3. Step 3: Cross multiply
    93,312,006.10x = 139,968,009.15 × 85,921,695.70
  4. Step 4: Simplify right side
    93,312,006.10x = 12,026,288,689,921,116
  5. Step 5: Solve for x
    x = 12,026,288,689,921,116/93,312,006.10
  6. Step 6: Final answer
    x = 128,882,543.55

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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.