Home / 145,546,328.96-218,323,925.45-56,911,360.38

Finding the Fourth Proportional to 145,546,328.96, 218,323,925.45 and 56,911,360.38

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Solution

The fourth proportional to 145,546,328.96, 218,323,925.45 and 56,911,360.38 is: 85,368,773.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,546,328.96 : 218,323,925.45 = 56,911,360.38 : x
  2. Step 2: Convert to fraction form
    145,546,328.96/218,323,925.45 = 56,911,360.38/x
  3. Step 3: Cross multiply
    145,546,328.96x = 218,323,925.45 × 56,911,360.38
  4. Step 4: Simplify right side
    145,546,328.96x = 12,425,111,600,576,648
  5. Step 5: Solve for x
    x = 12,425,111,600,576,648/145,546,328.96
  6. Step 6: Final answer
    x = 85,368,773.57

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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.