Home / 114,702,972.15-158,309,085.23-67,671,543.90

Finding the Fourth Proportional to 114,702,972.15, 158,309,085.23 and 67,671,543.90

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Solution

The fourth proportional to 114,702,972.15, 158,309,085.23 and 67,671,543.90 is: 93,397,930.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,702,972.15 : 158,309,085.23 = 67,671,543.90 : x
  2. Step 2: Convert to fraction form
    114,702,972.15/158,309,085.23 = 67,671,543.90/x
  3. Step 3: Cross multiply
    114,702,972.15x = 158,309,085.23 × 67,671,543.90
  4. Step 4: Simplify right side
    114,702,972.15x = 10,713,020,210,572,430
  5. Step 5: Solve for x
    x = 10,713,020,210,572,430/114,702,972.15
  6. Step 6: Final answer
    x = 93,397,930.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.