Home / 170,358,045.60-255,537,068.40-121,985,104.80

Finding the Fourth Proportional to 170,358,045.60, 255,537,068.40 and 121,985,104.80

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Solution

The fourth proportional to 170,358,045.60, 255,537,068.40 and 121,985,104.80 is: 182,977,657.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,358,045.60 : 255,537,068.40 = 121,985,104.80 : x
  2. Step 2: Convert to fraction form
    170,358,045.60/255,537,068.40 = 121,985,104.80/x
  3. Step 3: Cross multiply
    170,358,045.60x = 255,537,068.40 × 121,985,104.80
  4. Step 4: Simplify right side
    170,358,045.60x = 31,171,716,069,058,768
  5. Step 5: Solve for x
    x = 31,171,716,069,058,768/170,358,045.60
  6. Step 6: Final answer
    x = 182,977,657.20

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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.