Home / 121,252,111.30-181,878,166.95-59,870,675.80

Finding the Fourth Proportional to 121,252,111.30, 181,878,166.95 and 59,870,675.80

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Solution

The fourth proportional to 121,252,111.30, 181,878,166.95 and 59,870,675.80 is: 89,806,013.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,252,111.30 : 181,878,166.95 = 59,870,675.80 : x
  2. Step 2: Convert to fraction form
    121,252,111.30/181,878,166.95 = 59,870,675.80/x
  3. Step 3: Cross multiply
    121,252,111.30x = 181,878,166.95 × 59,870,675.80
  4. Step 4: Simplify right side
    121,252,111.30x = 10,889,168,768,561,724
  5. Step 5: Solve for x
    x = 10,889,168,768,561,724/121,252,111.30
  6. Step 6: Final answer
    x = 89,806,013.70

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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.