Home / 93,312,088.20-139,968,132.30-81,974,680.20

Finding the Fourth Proportional to 93,312,088.20, 139,968,132.30 and 81,974,680.20

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Solution

The fourth proportional to 93,312,088.20, 139,968,132.30 and 81,974,680.20 is: 122,962,020.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,088.20 : 139,968,132.30 = 81,974,680.20 : x
  2. Step 2: Convert to fraction form
    93,312,088.20/139,968,132.30 = 81,974,680.20/x
  3. Step 3: Cross multiply
    93,312,088.20x = 139,968,132.30 × 81,974,680.20
  4. Step 4: Simplify right side
    93,312,088.20x = 11,473,842,883,483,792
  5. Step 5: Solve for x
    x = 11,473,842,883,483,792/93,312,088.20
  6. Step 6: Final answer
    x = 122,962,020.30

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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.