Home / 78,894,437.40-118,341,656.10-44,457,060.60

Finding the Fourth Proportional to 78,894,437.40, 118,341,656.10 and 44,457,060.60

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Solution

The fourth proportional to 78,894,437.40, 118,341,656.10 and 44,457,060.60 is: 66,685,590.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,894,437.40 : 118,341,656.10 = 44,457,060.60 : x
  2. Step 2: Convert to fraction form
    78,894,437.40/118,341,656.10 = 44,457,060.60/x
  3. Step 3: Cross multiply
    78,894,437.40x = 118,341,656.10 × 44,457,060.60
  4. Step 4: Simplify right side
    78,894,437.40x = 5,261,122,176,742,060
  5. Step 5: Solve for x
    x = 5,261,122,176,742,060/78,894,437.40
  6. Step 6: Final answer
    x = 66,685,590.90

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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.