Home / 93,312,317.40-139,968,476.10-91,321,661.40

Finding the Fourth Proportional to 93,312,317.40, 139,968,476.10 and 91,321,661.40

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Solution

The fourth proportional to 93,312,317.40, 139,968,476.10 and 91,321,661.40 is: 136,982,492.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,317.40 : 139,968,476.10 = 91,321,661.40 : x
  2. Step 2: Convert to fraction form
    93,312,317.40/139,968,476.10 = 91,321,661.40/x
  3. Step 3: Cross multiply
    93,312,317.40x = 139,968,476.10 × 91,321,661.40
  4. Step 4: Simplify right side
    93,312,317.40x = 12,782,153,781,078,192
  5. Step 5: Solve for x
    x = 12,782,153,781,078,192/93,312,317.40
  6. Step 6: Final answer
    x = 136,982,492.10

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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.