Home / 78,148,225.61-107,827,282.10-45,101,452.76

Finding the Fourth Proportional to 78,148,225.61, 107,827,282.10 and 45,101,452.76

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Solution

The fourth proportional to 78,148,225.61, 107,827,282.10 and 45,101,452.76 is: 62,230,038.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,148,225.61 : 107,827,282.10 = 45,101,452.76 : x
  2. Step 2: Convert to fraction form
    78,148,225.61/107,827,282.10 = 45,101,452.76/x
  3. Step 3: Cross multiply
    78,148,225.61x = 107,827,282.10 × 45,101,452.76
  4. Step 4: Simplify right side
    78,148,225.61x = 4,863,167,069,107,700
  5. Step 5: Solve for x
    x = 4,863,167,069,107,700/78,148,225.61
  6. Step 6: Final answer
    x = 62,230,038.26

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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.