Home / 93,312,006.40-139,968,009.60-74,038,412.80

Finding the Fourth Proportional to 93,312,006.40, 139,968,009.60 and 74,038,412.80

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Solution

The fourth proportional to 93,312,006.40, 139,968,009.60 and 74,038,412.80 is: 111,057,619.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,006.40 : 139,968,009.60 = 74,038,412.80 : x
  2. Step 2: Convert to fraction form
    93,312,006.40/139,968,009.60 = 74,038,412.80/x
  3. Step 3: Cross multiply
    93,312,006.40x = 139,968,009.60 × 74,038,412.80
  4. Step 4: Simplify right side
    93,312,006.40x = 10,363,009,273,559,162
  5. Step 5: Solve for x
    x = 10,363,009,273,559,162/93,312,006.40
  6. Step 6: Final answer
    x = 111,057,619.20

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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.