Home / 77,262,337,820.80-115,893,506,731.20-74,323,681,667.20

Finding the Fourth Proportional to 77,262,337,820.80, 115,893,506,731.20 and 74,323,681,667.20

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Solution

The fourth proportional to 77,262,337,820.80, 115,893,506,731.20 and 74,323,681,667.20 is: 111,485,522,500.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,262,337,820.80 : 115,893,506,731.20 = 74,323,681,667.20 : x
  2. Step 2: Convert to fraction form
    77,262,337,820.80/115,893,506,731.20 = 74,323,681,667.20/x
  3. Step 3: Cross multiply
    77,262,337,820.80x = 115,893,506,731.20 × 74,323,681,667.20
  4. Step 4: Simplify right side
    77,262,337,820.80x = 8,613,632,101,585,208,213,504
  5. Step 5: Solve for x
    x = 8,613,632,101,585,208,213,504/77,262,337,820.80
  6. Step 6: Final answer
    x = 111,485,522,500.80

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1.5x scale

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.