Home / 186,948,303.60-280,422,455.40-155,097,807.60

Finding the Fourth Proportional to 186,948,303.60, 280,422,455.40 and 155,097,807.60

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Solution

The fourth proportional to 186,948,303.60, 280,422,455.40 and 155,097,807.60 is: 232,646,711.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,948,303.60 : 280,422,455.40 = 155,097,807.60 : x
  2. Step 2: Convert to fraction form
    186,948,303.60/280,422,455.40 = 155,097,807.60/x
  3. Step 3: Cross multiply
    186,948,303.60x = 280,422,455.40 × 155,097,807.60
  4. Step 4: Simplify right side
    186,948,303.60x = 43,492,908,034,348,776
  5. Step 5: Solve for x
    x = 43,492,908,034,348,776/186,948,303.60
  6. Step 6: Final answer
    x = 232,646,711.40

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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.