Home / 70,167,594.55-105,243,351.01-18,357,196.95

Finding the Fourth Proportional to 70,167,594.55, 105,243,351.01 and 18,357,196.95

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Solution

The fourth proportional to 70,167,594.55, 105,243,351.01 and 18,357,196.95 is: 27,533,691.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,167,594.55 : 105,243,351.01 = 18,357,196.95 : x
  2. Step 2: Convert to fraction form
    70,167,594.55/105,243,351.01 = 18,357,196.95/x
  3. Step 3: Cross multiply
    70,167,594.55x = 105,243,351.01 × 18,357,196.95
  4. Step 4: Simplify right side
    70,167,594.55x = 1,931,972,921,706,130
  5. Step 5: Solve for x
    x = 1,931,972,921,706,130/70,167,594.55
  6. Step 6: Final answer
    x = 27,533,691.79

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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.