Home / 93,312,069.45-139,968,104.18-70,319,992.65

Finding the Fourth Proportional to 93,312,069.45, 139,968,104.18 and 70,319,992.65

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Solution

The fourth proportional to 93,312,069.45, 139,968,104.18 and 70,319,992.65 is: 105,479,988.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,069.45 : 139,968,104.18 = 70,319,992.65 : x
  2. Step 2: Convert to fraction form
    93,312,069.45/139,968,104.18 = 70,319,992.65/x
  3. Step 3: Cross multiply
    93,312,069.45x = 139,968,104.18 × 70,319,992.65
  4. Step 4: Simplify right side
    93,312,069.45x = 9,842,556,056,820,436
  5. Step 5: Solve for x
    x = 9,842,556,056,820,436/93,312,069.45
  6. Step 6: Final answer
    x = 105,479,988.98

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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.