Home / 93,312,009.30-139,968,013.95-85,375,823.70

Finding the Fourth Proportional to 93,312,009.30, 139,968,013.95 and 85,375,823.70

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Solution

The fourth proportional to 93,312,009.30, 139,968,013.95 and 85,375,823.70 is: 128,063,735.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,009.30 : 139,968,013.95 = 85,375,823.70 : x
  2. Step 2: Convert to fraction form
    93,312,009.30/139,968,013.95 = 85,375,823.70/x
  3. Step 3: Cross multiply
    93,312,009.30x = 139,968,013.95 × 85,375,823.70
  4. Step 4: Simplify right side
    93,312,009.30x = 11,949,884,482,634,340
  5. Step 5: Solve for x
    x = 11,949,884,482,634,340/93,312,009.30
  6. Step 6: Final answer
    x = 128,063,735.55

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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.