Home / 123,927,563.80-185,909,060.40-42,050,220.40

Finding the Fourth Proportional to 123,927,563.80, 185,909,060.40 and 42,050,220.40

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Solution

The fourth proportional to 123,927,563.80, 185,909,060.40 and 42,050,220.40 is: 63,081,341.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,927,563.80 : 185,909,060.40 = 42,050,220.40 : x
  2. Step 2: Convert to fraction form
    123,927,563.80/185,909,060.40 = 42,050,220.40/x
  3. Step 3: Cross multiply
    123,927,563.80x = 185,909,060.40 × 42,050,220.40
  4. Step 4: Simplify right side
    123,927,563.80x = 7,817,516,964,176,912
  5. Step 5: Solve for x
    x = 7,817,516,964,176,912/123,927,563.80
  6. Step 6: Final answer
    x = 63,081,341.43

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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.