Home / 107,891,781.59-148,791,305.08-70,708,515.10

Finding the Fourth Proportional to 107,891,781.59, 148,791,305.08 and 70,708,515.10

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Solution

The fourth proportional to 107,891,781.59, 148,791,305.08 and 70,708,515.10 is: 97,512,638.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,891,781.59 : 148,791,305.08 = 70,708,515.10 : x
  2. Step 2: Convert to fraction form
    107,891,781.59/148,791,305.08 = 70,708,515.10/x
  3. Step 3: Cross multiply
    107,891,781.59x = 148,791,305.08 × 70,708,515.10
  4. Step 4: Simplify right side
    107,891,781.59x = 10,520,812,241,997,886
  5. Step 5: Solve for x
    x = 10,520,812,241,997,886/107,891,781.59
  6. Step 6: Final answer
    x = 97,512,638.01

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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.