Home / 200,935,266.60-301,402,899.90-71,688,815.40

Finding the Fourth Proportional to 200,935,266.60, 301,402,899.90 and 71,688,815.40

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Solution

The fourth proportional to 200,935,266.60, 301,402,899.90 and 71,688,815.40 is: 107,533,223.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,935,266.60 : 301,402,899.90 = 71,688,815.40 : x
  2. Step 2: Convert to fraction form
    200,935,266.60/301,402,899.90 = 71,688,815.40/x
  3. Step 3: Cross multiply
    200,935,266.60x = 301,402,899.90 × 71,688,815.40
  4. Step 4: Simplify right side
    200,935,266.60x = 21,607,216,851,955,780
  5. Step 5: Solve for x
    x = 21,607,216,851,955,780/200,935,266.60
  6. Step 6: Final answer
    x = 107,533,223.10

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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.