Home / 74,868,856.65-112,303,134.37-70,312,851.77

Finding the Fourth Proportional to 74,868,856.65, 112,303,134.37 and 70,312,851.77

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Solution

The fourth proportional to 74,868,856.65, 112,303,134.37 and 70,312,851.77 is: 105,469,136.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,868,856.65 : 112,303,134.37 = 70,312,851.77 : x
  2. Step 2: Convert to fraction form
    74,868,856.65/112,303,134.37 = 70,312,851.77/x
  3. Step 3: Cross multiply
    74,868,856.65x = 112,303,134.37 × 70,312,851.77
  4. Step 4: Simplify right side
    74,868,856.65x = 7,896,353,639,526,905
  5. Step 5: Solve for x
    x = 7,896,353,639,526,905/74,868,856.65
  6. Step 6: Final answer
    x = 105,469,136.20

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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.