Home / 286,489,973.47-429,734,423.71-89,768,446.51

Finding the Fourth Proportional to 286,489,973.47, 429,734,423.71 and 89,768,446.51

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Solution

The fourth proportional to 286,489,973.47, 429,734,423.71 and 89,768,446.51 is: 134,652,501.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,489,973.47 : 429,734,423.71 = 89,768,446.51 : x
  2. Step 2: Convert to fraction form
    286,489,973.47/429,734,423.71 = 89,768,446.51/x
  3. Step 3: Cross multiply
    286,489,973.47x = 429,734,423.71 × 89,768,446.51
  4. Step 4: Simplify right side
    286,489,973.47x = 38,576,591,628,316,808
  5. Step 5: Solve for x
    x = 38,576,591,628,316,808/286,489,973.47
  6. Step 6: Final answer
    x = 134,652,501.66

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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.