Home / 73,411,848.08-101,306,031.72-40,371,995.60

Finding the Fourth Proportional to 73,411,848.08, 101,306,031.72 and 40,371,995.60

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Solution

The fourth proportional to 73,411,848.08, 101,306,031.72 and 40,371,995.60 is: 55,712,078.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,411,848.08 : 101,306,031.72 = 40,371,995.60 : x
  2. Step 2: Convert to fraction form
    73,411,848.08/101,306,031.72 = 40,371,995.60/x
  3. Step 3: Cross multiply
    73,411,848.08x = 101,306,031.72 × 40,371,995.60
  4. Step 4: Simplify right side
    73,411,848.08x = 4,089,926,666,853,300.50
  5. Step 5: Solve for x
    x = 4,089,926,666,853,300.50/73,411,848.08
  6. Step 6: Final answer
    x = 55,712,078.82

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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.