Home / 93,312,462.30-139,968,693.45-80,547,380.70

Finding the Fourth Proportional to 93,312,462.30, 139,968,693.45 and 80,547,380.70

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Solution

The fourth proportional to 93,312,462.30, 139,968,693.45 and 80,547,380.70 is: 120,821,071.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,462.30 : 139,968,693.45 = 80,547,380.70 : x
  2. Step 2: Convert to fraction form
    93,312,462.30/139,968,693.45 = 80,547,380.70/x
  3. Step 3: Cross multiply
    93,312,462.30x = 139,968,693.45 × 80,547,380.70
  4. Step 4: Simplify right side
    93,312,462.30x = 11,274,111,637,398,746
  5. Step 5: Solve for x
    x = 11,274,111,637,398,746/93,312,462.30
  6. Step 6: Final answer
    x = 120,821,071.05

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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.