Home / 123,676,742,988.30-185,169,483,014.43-66,812,885,437.98

Finding the Fourth Proportional to 123,676,742,988.30, 185,169,483,014.43 and 66,812,885,437.98

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Solution

The fourth proportional to 123,676,742,988.30, 185,169,483,014.43 and 66,812,885,437.98 is: 100,032,610,467.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,676,742,988.30 : 185,169,483,014.43 = 66,812,885,437.98 : x
  2. Step 2: Convert to fraction form
    123,676,742,988.30/185,169,483,014.43 = 66,812,885,437.98/x
  3. Step 3: Cross multiply
    123,676,742,988.30x = 185,169,483,014.43 × 66,812,885,437.98
  4. Step 4: Simplify right side
    123,676,742,988.30x = 12,371,707,455,253,094,858,752
  5. Step 5: Solve for x
    x = 12,371,707,455,253,094,858,752/123,676,742,988.30
  6. Step 6: Final answer
    x = 100,032,610,467.62

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1.5x scale

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.