Home / 74,889,564.60-112,334,346.90-66,528,809.40

Finding the Fourth Proportional to 74,889,564.60, 112,334,346.90 and 66,528,809.40

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Solution

The fourth proportional to 74,889,564.60, 112,334,346.90 and 66,528,809.40 is: 99,793,214.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,889,564.60 : 112,334,346.90 = 66,528,809.40 : x
  2. Step 2: Convert to fraction form
    74,889,564.60/112,334,346.90 = 66,528,809.40/x
  3. Step 3: Cross multiply
    74,889,564.60x = 112,334,346.90 × 66,528,809.40
  4. Step 4: Simplify right side
    74,889,564.60x = 7,473,470,353,983,581
  5. Step 5: Solve for x
    x = 7,473,470,353,983,581/74,889,564.60
  6. Step 6: Final answer
    x = 99,793,214.10

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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.