Home / 93,254,543.40-139,881,815.10-78,137,999.40

Finding the Fourth Proportional to 93,254,543.40, 139,881,815.10 and 78,137,999.40

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Solution

The fourth proportional to 93,254,543.40, 139,881,815.10 and 78,137,999.40 is: 117,206,999.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,254,543.40 : 139,881,815.10 = 78,137,999.40 : x
  2. Step 2: Convert to fraction form
    93,254,543.40/139,881,815.10 = 78,137,999.40/x
  3. Step 3: Cross multiply
    93,254,543.40x = 139,881,815.10 × 78,137,999.40
  4. Step 4: Simplify right side
    93,254,543.40x = 10,930,085,184,354,712
  5. Step 5: Solve for x
    x = 10,930,085,184,354,712/93,254,543.40
  6. Step 6: Final answer
    x = 117,206,999.10

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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.