Home / 127,872,001.60-191,808,002.40-56,068,417.60

Finding the Fourth Proportional to 127,872,001.60, 191,808,002.40 and 56,068,417.60

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Solution

The fourth proportional to 127,872,001.60, 191,808,002.40 and 56,068,417.60 is: 84,102,626.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,872,001.60 : 191,808,002.40 = 56,068,417.60 : x
  2. Step 2: Convert to fraction form
    127,872,001.60/191,808,002.40 = 56,068,417.60/x
  3. Step 3: Cross multiply
    127,872,001.60x = 191,808,002.40 × 56,068,417.60
  4. Step 4: Simplify right side
    127,872,001.60x = 10,754,371,177,585,002
  5. Step 5: Solve for x
    x = 10,754,371,177,585,002/127,872,001.60
  6. Step 6: Final answer
    x = 84,102,626.40

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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.