Home / 93,312,554.40-139,968,831.60-86,510,109.60

Finding the Fourth Proportional to 93,312,554.40, 139,968,831.60 and 86,510,109.60

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Solution

The fourth proportional to 93,312,554.40, 139,968,831.60 and 86,510,109.60 is: 129,765,164.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,554.40 : 139,968,831.60 = 86,510,109.60 : x
  2. Step 2: Convert to fraction form
    93,312,554.40/139,968,831.60 = 86,510,109.60/x
  3. Step 3: Cross multiply
    93,312,554.40x = 139,968,831.60 × 86,510,109.60
  4. Step 4: Simplify right side
    93,312,554.40x = 12,108,718,962,299,942
  5. Step 5: Solve for x
    x = 12,108,718,962,299,942/93,312,554.40
  6. Step 6: Final answer
    x = 129,765,164.40

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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.