Home / 79,152,119,266.40-118,728,178,899.60-70,473,900,312.80

Finding the Fourth Proportional to 79,152,119,266.40, 118,728,178,899.60 and 70,473,900,312.80

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Solution

The fourth proportional to 79,152,119,266.40, 118,728,178,899.60 and 70,473,900,312.80 is: 105,710,850,469.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,152,119,266.40 : 118,728,178,899.60 = 70,473,900,312.80 : x
  2. Step 2: Convert to fraction form
    79,152,119,266.40/118,728,178,899.60 = 70,473,900,312.80/x
  3. Step 3: Cross multiply
    79,152,119,266.40x = 118,728,178,899.60 × 70,473,900,312.80
  4. Step 4: Simplify right side
    79,152,119,266.40x = 8,367,237,844,090,695,450,624
  5. Step 5: Solve for x
    x = 8,367,237,844,090,695,450,624/79,152,119,266.40
  6. Step 6: Final answer
    x = 105,710,850,469.20

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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.