Home / 56,911,971.78-78,549,160.86-32,465,685.78

Finding the Fourth Proportional to 56,911,971.78, 78,549,160.86 and 32,465,685.78

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Solution

The fourth proportional to 56,911,971.78, 78,549,160.86 and 32,465,685.78 is: 44,808,715.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,911,971.78 : 78,549,160.86 = 32,465,685.78 : x
  2. Step 2: Convert to fraction form
    56,911,971.78/78,549,160.86 = 32,465,685.78/x
  3. Step 3: Cross multiply
    56,911,971.78x = 78,549,160.86 × 32,465,685.78
  4. Step 4: Simplify right side
    56,911,971.78x = 2,550,152,374,763,434.50
  5. Step 5: Solve for x
    x = 2,550,152,374,763,434.50/56,911,971.78
  6. Step 6: Final answer
    x = 44,808,715.90

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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.