Home / 163,121,941.80-244,683,572.40-66,079,484.64

Finding the Fourth Proportional to 163,121,941.80, 244,683,572.40 and 66,079,484.64

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Solution

The fourth proportional to 163,121,941.80, 244,683,572.40 and 66,079,484.64 is: 99,119,494.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,121,941.80 : 244,683,572.40 = 66,079,484.64 : x
  2. Step 2: Convert to fraction form
    163,121,941.80/244,683,572.40 = 66,079,484.64/x
  3. Step 3: Cross multiply
    163,121,941.80x = 244,683,572.40 × 66,079,484.64
  4. Step 4: Simplify right side
    163,121,941.80x = 16,168,564,364,066,128
  5. Step 5: Solve for x
    x = 16,168,564,364,066,128/163,121,941.80
  6. Step 6: Final answer
    x = 99,119,494.20

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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.