Home / 285,506,670.24-393,997,834.08-161,747,055.36

Finding the Fourth Proportional to 285,506,670.24, 393,997,834.08 and 161,747,055.36

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Solution

The fourth proportional to 285,506,670.24, 393,997,834.08 and 161,747,055.36 is: 223,210,159.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,506,670.24 : 393,997,834.08 = 161,747,055.36 : x
  2. Step 2: Convert to fraction form
    285,506,670.24/393,997,834.08 = 161,747,055.36/x
  3. Step 3: Cross multiply
    285,506,670.24x = 393,997,834.08 × 161,747,055.36
  4. Step 4: Simplify right side
    285,506,670.24x = 63,727,989,480,657,856
  5. Step 5: Solve for x
    x = 63,727,989,480,657,856/285,506,670.24
  6. Step 6: Final answer
    x = 223,210,159.77

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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.