Home / 209,640,045.60-314,460,068.40-64,073,325.60

Finding the Fourth Proportional to 209,640,045.60, 314,460,068.40 and 64,073,325.60

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Solution

The fourth proportional to 209,640,045.60, 314,460,068.40 and 64,073,325.60 is: 96,109,988.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,640,045.60 : 314,460,068.40 = 64,073,325.60 : x
  2. Step 2: Convert to fraction form
    209,640,045.60/314,460,068.40 = 64,073,325.60/x
  3. Step 3: Cross multiply
    209,640,045.60x = 314,460,068.40 × 64,073,325.60
  4. Step 4: Simplify right side
    209,640,045.60x = 20,148,502,350,791,468
  5. Step 5: Solve for x
    x = 20,148,502,350,791,468/209,640,045.60
  6. Step 6: Final answer
    x = 96,109,988.40

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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.