Home / 70,130,225,109.60-105,195,337,664.40-65,171,242,850.40

Finding the Fourth Proportional to 70,130,225,109.60, 105,195,337,664.40 and 65,171,242,850.40

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Solution

The fourth proportional to 70,130,225,109.60, 105,195,337,664.40 and 65,171,242,850.40 is: 97,756,864,275.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,130,225,109.60 : 105,195,337,664.40 = 65,171,242,850.40 : x
  2. Step 2: Convert to fraction form
    70,130,225,109.60/105,195,337,664.40 = 65,171,242,850.40/x
  3. Step 3: Cross multiply
    70,130,225,109.60x = 105,195,337,664.40 × 65,171,242,850.40
  4. Step 4: Simplify right side
    70,130,225,109.60x = 6,855,710,897,656,442,126,336
  5. Step 5: Solve for x
    x = 6,855,710,897,656,442,126,336/70,130,225,109.60
  6. Step 6: Final answer
    x = 97,756,864,275.60

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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.