Home / 46,656,837.60-69,985,256.40-28,516,984.80

Finding the Fourth Proportional to 46,656,837.60, 69,985,256.40 and 28,516,984.80

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Solution

The fourth proportional to 46,656,837.60, 69,985,256.40 and 28,516,984.80 is: 42,775,477.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,656,837.60 : 69,985,256.40 = 28,516,984.80 : x
  2. Step 2: Convert to fraction form
    46,656,837.60/69,985,256.40 = 28,516,984.80/x
  3. Step 3: Cross multiply
    46,656,837.60x = 69,985,256.40 × 28,516,984.80
  4. Step 4: Simplify right side
    46,656,837.60x = 1,995,768,492,982,903
  5. Step 5: Solve for x
    x = 1,995,768,492,982,903/46,656,837.60
  6. Step 6: Final answer
    x = 42,775,477.20

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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.