Home / 93,312,191.60-139,968,287.40-85,921,881.20

Finding the Fourth Proportional to 93,312,191.60, 139,968,287.40 and 85,921,881.20

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Solution

The fourth proportional to 93,312,191.60, 139,968,287.40 and 85,921,881.20 is: 128,882,821.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,191.60 : 139,968,287.40 = 85,921,881.20 : x
  2. Step 2: Convert to fraction form
    93,312,191.60/139,968,287.40 = 85,921,881.20/x
  3. Step 3: Cross multiply
    93,312,191.60x = 139,968,287.40 × 85,921,881.20
  4. Step 4: Simplify right side
    93,312,191.60x = 12,026,338,561,750,258
  5. Step 5: Solve for x
    x = 12,026,338,561,750,258/93,312,191.60
  6. Step 6: Final answer
    x = 128,882,821.80

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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.