Home / 99,557,289.60-149,335,934.40-58,742,620.80

Finding the Fourth Proportional to 99,557,289.60, 149,335,934.40 and 58,742,620.80

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Solution

The fourth proportional to 99,557,289.60, 149,335,934.40 and 58,742,620.80 is: 88,113,931.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,557,289.60 : 149,335,934.40 = 58,742,620.80 : x
  2. Step 2: Convert to fraction form
    99,557,289.60/149,335,934.40 = 58,742,620.80/x
  3. Step 3: Cross multiply
    99,557,289.60x = 149,335,934.40 × 58,742,620.80
  4. Step 4: Simplify right side
    99,557,289.60x = 8,772,384,166,272,875
  5. Step 5: Solve for x
    x = 8,772,384,166,272,875/99,557,289.60
  6. Step 6: Final answer
    x = 88,113,931.20

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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.