Home / 75,287,632.40-112,931,448.60-67,068,011.60

Finding the Fourth Proportional to 75,287,632.40, 112,931,448.60 and 67,068,011.60

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Solution

The fourth proportional to 75,287,632.40, 112,931,448.60 and 67,068,011.60 is: 100,602,017.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,287,632.40 : 112,931,448.60 = 67,068,011.60 : x
  2. Step 2: Convert to fraction form
    75,287,632.40/112,931,448.60 = 67,068,011.60/x
  3. Step 3: Cross multiply
    75,287,632.40x = 112,931,448.60 × 67,068,011.60
  4. Step 4: Simplify right side
    75,287,632.40x = 7,574,087,704,709,604
  5. Step 5: Solve for x
    x = 7,574,087,704,709,604/75,287,632.40
  6. Step 6: Final answer
    x = 100,602,017.40

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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.