Home / 93,312,448.90-139,968,673.35-86,510,004.10

Finding the Fourth Proportional to 93,312,448.90, 139,968,673.35 and 86,510,004.10

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Solution

The fourth proportional to 93,312,448.90, 139,968,673.35 and 86,510,004.10 is: 129,765,006.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,448.90 : 139,968,673.35 = 86,510,004.10 : x
  2. Step 2: Convert to fraction form
    93,312,448.90/139,968,673.35 = 86,510,004.10/x
  3. Step 3: Cross multiply
    93,312,448.90x = 139,968,673.35 × 86,510,004.10
  4. Step 4: Simplify right side
    93,312,448.90x = 12,108,690,505,380,060
  5. Step 5: Solve for x
    x = 12,108,690,505,380,060/93,312,448.90
  6. Step 6: Final answer
    x = 129,765,006.15

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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.