Home / 74,897,718.30-112,346,577.45-66,238,364.70

Finding the Fourth Proportional to 74,897,718.30, 112,346,577.45 and 66,238,364.70

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Solution

The fourth proportional to 74,897,718.30, 112,346,577.45 and 66,238,364.70 is: 99,357,547.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,897,718.30 : 112,346,577.45 = 66,238,364.70 : x
  2. Step 2: Convert to fraction form
    74,897,718.30/112,346,577.45 = 66,238,364.70/x
  3. Step 3: Cross multiply
    74,897,718.30x = 112,346,577.45 × 66,238,364.70
  4. Step 4: Simplify right side
    74,897,718.30x = 7,441,653,569,929,897
  5. Step 5: Solve for x
    x = 7,441,653,569,929,897/74,897,718.30
  6. Step 6: Final answer
    x = 99,357,547.05

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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.