Home / 93,312,072.40-139,968,108.60-74,038,478.80

Finding the Fourth Proportional to 93,312,072.40, 139,968,108.60 and 74,038,478.80

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Solution

The fourth proportional to 93,312,072.40, 139,968,108.60 and 74,038,478.80 is: 111,057,718.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,072.40 : 139,968,108.60 = 74,038,478.80 : x
  2. Step 2: Convert to fraction form
    93,312,072.40/139,968,108.60 = 74,038,478.80/x
  3. Step 3: Cross multiply
    93,312,072.40x = 139,968,108.60 × 74,038,478.80
  4. Step 4: Simplify right side
    93,312,072.40x = 10,363,025,841,257,196
  5. Step 5: Solve for x
    x = 10,363,025,841,257,196/93,312,072.40
  6. Step 6: Final answer
    x = 111,057,718.20

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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.