Home / 92,913,670.15-128,184,576.55-53,199,978.16

Finding the Fourth Proportional to 92,913,670.15, 128,184,576.55 and 53,199,978.16

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Solution

The fourth proportional to 92,913,670.15, 128,184,576.55 and 53,199,978.16 is: 73,395,192.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,913,670.15 : 128,184,576.55 = 53,199,978.16 : x
  2. Step 2: Convert to fraction form
    92,913,670.15/128,184,576.55 = 53,199,978.16/x
  3. Step 3: Cross multiply
    92,913,670.15x = 128,184,576.55 × 53,199,978.16
  4. Step 4: Simplify right side
    92,913,670.15x = 6,819,416,672,908,848
  5. Step 5: Solve for x
    x = 6,819,416,672,908,848/92,913,670.15
  6. Step 6: Final answer
    x = 73,395,192.14

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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.