Home / 77,549,314.80-116,224,439.40-47,224,988.40

Finding the Fourth Proportional to 77,549,314.80, 116,224,439.40 and 47,224,988.40

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Solution

The fourth proportional to 77,549,314.80, 116,224,439.40 and 47,224,988.40 is: 70,776,870.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,549,314.80 : 116,224,439.40 = 47,224,988.40 : x
  2. Step 2: Convert to fraction form
    77,549,314.80/116,224,439.40 = 47,224,988.40/x
  3. Step 3: Cross multiply
    77,549,314.80x = 116,224,439.40 × 47,224,988.40
  4. Step 4: Simplify right side
    77,549,314.80x = 5,488,697,802,461,503
  5. Step 5: Solve for x
    x = 5,488,697,802,461,503/77,549,314.80
  6. Step 6: Final answer
    x = 70,776,870.39

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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.