Home / 70,312,085.53-105,468,139.88-29,349,178.92

Finding the Fourth Proportional to 70,312,085.53, 105,468,139.88 and 29,349,178.92

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Solution

The fourth proportional to 70,312,085.53, 105,468,139.88 and 29,349,178.92 is: 44,023,773.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,312,085.53 : 105,468,139.88 = 29,349,178.92 : x
  2. Step 2: Convert to fraction form
    70,312,085.53/105,468,139.88 = 29,349,178.92/x
  3. Step 3: Cross multiply
    70,312,085.53x = 105,468,139.88 × 29,349,178.92
  4. Step 4: Simplify right side
    70,312,085.53x = 3,095,403,307,697,707.50
  5. Step 5: Solve for x
    x = 3,095,403,307,697,707.50/70,312,085.53
  6. Step 6: Final answer
    x = 44,023,773.22

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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.