Home / 80,493,681.96-111,091,319.10-45,697,637.16

Finding the Fourth Proportional to 80,493,681.96, 111,091,319.10 and 45,697,637.16

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Solution

The fourth proportional to 80,493,681.96, 111,091,319.10 and 45,697,637.16 is: 63,068,438.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,493,681.96 : 111,091,319.10 = 45,697,637.16 : x
  2. Step 2: Convert to fraction form
    80,493,681.96/111,091,319.10 = 45,697,637.16/x
  3. Step 3: Cross multiply
    80,493,681.96x = 111,091,319.10 × 45,697,637.16
  4. Step 4: Simplify right side
    80,493,681.96x = 5,076,610,791,857,577
  5. Step 5: Solve for x
    x = 5,076,610,791,857,577/80,493,681.96
  6. Step 6: Final answer
    x = 63,068,438.02

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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.