Home / 70,866,853.60-106,300,280.40-60,663,186.40

Finding the Fourth Proportional to 70,866,853.60, 106,300,280.40 and 60,663,186.40

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Solution

The fourth proportional to 70,866,853.60, 106,300,280.40 and 60,663,186.40 is: 90,994,779.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,866,853.60 : 106,300,280.40 = 60,663,186.40 : x
  2. Step 2: Convert to fraction form
    70,866,853.60/106,300,280.40 = 60,663,186.40/x
  3. Step 3: Cross multiply
    70,866,853.60x = 106,300,280.40 × 60,663,186.40
  4. Step 4: Simplify right side
    70,866,853.60x = 6,448,513,724,277,467
  5. Step 5: Solve for x
    x = 6,448,513,724,277,467/70,866,853.60
  6. Step 6: Final answer
    x = 90,994,779.60

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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.