Home / 47,254,415.60-70,739,905.80-28,075,300.40

Finding the Fourth Proportional to 47,254,415.60, 70,739,905.80 and 28,075,300.40

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Solution

The fourth proportional to 47,254,415.60, 70,739,905.80 and 28,075,300.40 is: 42,028,751.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,254,415.60 : 70,739,905.80 = 28,075,300.40 : x
  2. Step 2: Convert to fraction form
    47,254,415.60/70,739,905.80 = 28,075,300.40/x
  3. Step 3: Cross multiply
    47,254,415.60x = 70,739,905.80 × 28,075,300.40
  4. Step 4: Simplify right side
    47,254,415.60x = 1,986,044,105,602,702.25
  5. Step 5: Solve for x
    x = 1,986,044,105,602,702.25/47,254,415.60
  6. Step 6: Final answer
    x = 42,028,751.82

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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.