Home / 73,716,931.40-110,575,397.10-72,282,040.70

Finding the Fourth Proportional to 73,716,931.40, 110,575,397.10 and 72,282,040.70

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Solution

The fourth proportional to 73,716,931.40, 110,575,397.10 and 72,282,040.70 is: 108,423,061.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,716,931.40 : 110,575,397.10 = 72,282,040.70 : x
  2. Step 2: Convert to fraction form
    73,716,931.40/110,575,397.10 = 72,282,040.70/x
  3. Step 3: Cross multiply
    73,716,931.40x = 110,575,397.10 × 72,282,040.70
  4. Step 4: Simplify right side
    73,716,931.40x = 7,992,615,353,600,862
  5. Step 5: Solve for x
    x = 7,992,615,353,600,862/73,716,931.40
  6. Step 6: Final answer
    x = 108,423,061.05

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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.