Home / 74,868,858.90-112,303,137.74-70,312,854.02

Finding the Fourth Proportional to 74,868,858.90, 112,303,137.74 and 70,312,854.02

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Solution

The fourth proportional to 74,868,858.90, 112,303,137.74 and 70,312,854.02 is: 105,469,139.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,868,858.90 : 112,303,137.74 = 70,312,854.02 : x
  2. Step 2: Convert to fraction form
    74,868,858.90/112,303,137.74 = 70,312,854.02/x
  3. Step 3: Cross multiply
    74,868,858.90x = 112,303,137.74 × 70,312,854.02
  4. Step 4: Simplify right side
    74,868,858.90x = 7,896,354,129,514,840
  5. Step 5: Solve for x
    x = 7,896,354,129,514,840/74,868,858.90
  6. Step 6: Final answer
    x = 105,469,139.58

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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.