Home / 93,312,074.40-139,968,111.60-74,038,480.80

Finding the Fourth Proportional to 93,312,074.40, 139,968,111.60 and 74,038,480.80

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Solution

The fourth proportional to 93,312,074.40, 139,968,111.60 and 74,038,480.80 is: 111,057,721.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,074.40 : 139,968,111.60 = 74,038,480.80 : x
  2. Step 2: Convert to fraction form
    93,312,074.40/139,968,111.60 = 74,038,480.80/x
  3. Step 3: Cross multiply
    93,312,074.40x = 139,968,111.60 × 74,038,480.80
  4. Step 4: Simplify right side
    93,312,074.40x = 10,363,026,343,308,856
  5. Step 5: Solve for x
    x = 10,363,026,343,308,856/93,312,074.40
  6. Step 6: Final answer
    x = 111,057,721.20

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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.