Home / 93,312,078.30-139,968,117.45-42,293,742.30

Finding the Fourth Proportional to 93,312,078.30, 139,968,117.45 and 42,293,742.30

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Solution

The fourth proportional to 93,312,078.30, 139,968,117.45 and 42,293,742.30 is: 63,440,613.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,078.30 : 139,968,117.45 = 42,293,742.30 : x
  2. Step 2: Convert to fraction form
    93,312,078.30/139,968,117.45 = 42,293,742.30/x
  3. Step 3: Cross multiply
    93,312,078.30x = 139,968,117.45 × 42,293,742.30
  4. Step 4: Simplify right side
    93,312,078.30x = 5,919,775,489,646,432
  5. Step 5: Solve for x
    x = 5,919,775,489,646,432/93,312,078.30
  6. Step 6: Final answer
    x = 63,440,613.45

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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.