Home / 129,896,014.87-179,255,071.94-70,355,829.71

Finding the Fourth Proportional to 129,896,014.87, 179,255,071.94 and 70,355,829.71

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Solution

The fourth proportional to 129,896,014.87, 179,255,071.94 and 70,355,829.71 is: 97,090,271.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,896,014.87 : 179,255,071.94 = 70,355,829.71 : x
  2. Step 2: Convert to fraction form
    129,896,014.87/179,255,071.94 = 70,355,829.71/x
  3. Step 3: Cross multiply
    129,896,014.87x = 179,255,071.94 × 70,355,829.71
  4. Step 4: Simplify right side
    129,896,014.87x = 12,611,639,316,064,438
  5. Step 5: Solve for x
    x = 12,611,639,316,064,438/129,896,014.87
  6. Step 6: Final answer
    x = 97,090,271.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.